BMW Cooling System Parts & Accessories for BMW Z Series E85/6 (2003-2008)

Clear BMW chassis

Please ensure your correct model is selected

The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

Sub-Categories

Sort By:

Febi Temperature Sensor
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:340711
Part#: 13621433076
Ships in 2 Business Days
$ 17.99

This product was last offered at the strikethrough price on
06-22-2026

$ 16.99 USD
Free Shipping on orders $49 and up
$ 16.99 USD
Free Shipping on orders $49 and up
Monitors coolant / oil temperature
Genuine BMW - Corporate Logo
T#:6939
Part#: 11531705210
In Stock
$ 66.99 USD
Free Shipping on orders $49 and up
This is the Genuine BMW plastic heater inlet pipe that connects the cylinder head to the heater inlet on cars with the M52 or M54 engine.The plastic on this hose becomes brittle over time and eventually leads to failure.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1999-2003 E39 BMW 525i 528i 530i
2004-2006 E83 BMW X3 2.5i X3 3.0i - M54 engine
2000-2006 E53 BMW X5 3.0i
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2003-2005 E85 BMW Z4 2.5i Z4 3.0i
Show More Show Less
Genuine BMW - Corporate Logo
T#:360688
Part#: 11537502525
Ships in 1-2 days
$ 90.99 USD
Free Shipping
$ 90.99 USD
Free Shipping
Replace your cracked/broken coolant pipe with this Genuine BMW pipe to ensure long term reliability and perfect fitment.

Genuine BMW - Corporate Logo
T#:207187
Part#: 17117639022
In Stock
21% off MSRP $ 34.96

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 27.67 USD
Free Shipping on orders $49 and up
21% off MSRP
$ 34.96

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 27.67 USD
Free Shipping on orders $49 and up


Genuine BMW Radiator Cap - 2,0Bar
This item fits the following BMW Chassis:
E36 M3,E39 M5,E46 M3,E85 Z4M,E53 48IS,E36,E38,E39,E46,E53 X5,E65,E83 X3,E85 Z4,E86 Z4,F06,F10,F12,F13

Show More Show Less

Genuine BMW - Corporate Logo
T#:15238
Part#: 23127602815
In Stock
7% off MSRP $ 24.30

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 22.50 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 24.30

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 22.50 USD
Free Shipping on orders $49 and up


Genuine BMW Screw Plug - M18X1,5X12
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E85 Z4,E89 Z4,E90,E92,E93,F22,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

Show More Show Less
Genuine BMW - Corporate Logo
T#:341058
Part#: 13621433077
In Stock
16% off MSRP $ 66.05

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 55.55 USD
Free Shipping on orders $49 and up
16% off MSRP
$ 66.05

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 55.55 USD
Free Shipping on orders $49 and up

Spal - Corporate Logo
T#:598892
Part#: 185FH
Back Ordered
11% off MSRP $ 193.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 171.99 USD
Free Shipping
11% off MSRP
$ 193.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 171.99 USD
Free Shipping
SPAL® electric fan wiring harness kits are a must-have when installing electric fans. Designed to safely integrate with OEM wiring, the SPAL kits feature a waterproof relay along with printed wires which aid in installation. The wiring kits also feature stainless steel switches with optional switched override capability, fuse holder, and wiring connectors. Features: Makes installation of your new fan a breeze Designed to safely integrate with OEM wiring Feature a waterproof 10/40 amp relay with printed wires for easy installation Kit features a 3/8” NPT thermos-switch and a 3/8” to ½” NPT adapter Harness is designed for 12V systems only
Show More Show Less

Mahle-Behr - Corporate Logo
T#:341203
Part#: 11537549476
In Stock
$ 135.99

This product was last offered at the strikethrough price on
07-31-2026

$ 108.99 USD
Free Shipping
$ 108.99 USD
Free Shipping
Engine running a little hot or is the temp gauge not telling you anything? The thermostat might be the likely problem. Many cooling issues start with the thermostat. This is electronically controlled by the engine computer based on the cooling demands from the engine. And cooling components are working harder than ever. Engine performance is also dependent on temperature - as temperatures rise and pass a certain threshold the engine computer will begin reducing power. Stay on top of your cooling maintenance by replacing critical components preventatively. This replacement thermostat fits many of the N51 N52 N53 N54 6 cylinder engines and is an OEM Behr part. 

The thermostat is located along with the water pump on the side of the engine. To gain access for removal you may need to remove the water pump as well. If the water pump is removed you MUST replace its mounting bolts. You can add them from the options below. We also have a bundled package that includes the water pump, mounting screws, connecting hose, and clamps if you want to replace everything together (recommended). 

This thermostat fits the following BMWs:
2008+  E82  BMW 128i 135i
2007+  E9X  BMW 325i 325xi 328i 328xi 330i 335i 335xi
2006+  E60  BMW 525i 525xi 528i 528xi 530i 530xi 535i 535xi
2006+  X3  BMW X3 3.0i X3 3.0si
2006+  Z4  BMW Z4 3.0i Z4 3.0si
Show More Show Less

Mishimoto - Corporate Logo
T#:363171
Part#: MMFANMOUNT
In Stock
$ 15.99 USD
Free Shipping on orders $49 and up
The Mishimoto universal fan mount kit is used to mount a Mishimoto electric fan to any Mishimoto aluminum radiator. Great for custom applications, the Mishimoto fan can be mounted in any convenient position on the radiator. Universal fan mount fits any Mishimoto electric fan Ideal for custom applications Mounts fan in any convenient position Mishimoto Lifetime Warranty
Show More Show Less
CSF - Corporate Logo
T#:582698
Part#: 3709
In Stock
$ 110.99 USD
Free Shipping
$ 110.99 USD
Free Shipping
This is a factory original style radiator from CSF and will fit perfectly into the stock location. Cooling will be identical to what your car came with originally. A great replacement with all the proper connections and in all of the proper locations.
Show More Show Less
Wahler - Corporate Logo
T#:362366
Part#: 11531318402
In Stock
$ 6.17 USD
Free Shipping on orders $49 and up
BMW does not include a o-ring with their new thermostats


FAE - Corporate Logo
T#:2472
Part#: 13621433077
In Stock
$ 22.99 USD
Free Shipping on orders $49 and up
$ 22.99 USD
Free Shipping on orders $49 and up
This Cooling system temperature sensor mounts into the lower radiator hose.

This item fits the following BMWs:
2008+ E82 BMW 128i
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
2006+ E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi
2007+ E92 BMW 328i 328xi 328i xDrive
2007+ E93 BMW 328i
1999-2003 E39 BMW 525i 528i 530i 540i M5
2004-2010 E60 BMW 525i 525xi 530i 530xi 545i 550i M5
2004+ E63 BMW 645ci 650i M6
1999-2001 E38 BMW 740i 740il 750il
2002-2008 E65 BMW 745i 745li 750i 750li 760i 760li
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i X5 4.4i X5 4.6is X5 4.8is
2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive48i X5M
2007-2014 E71 BMW X6 xDrive50i X6M
2003-2008 Z4 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe
Show More Show Less
Pierburg - Corporate Logo
T#:348906
Part#: 11517586925
In Stock
$ 365.99 USD
Free Shipping
$ 365.99 USD
Free Shipping

Don't take your car's cooling system for granted. A waterpump failure can cost you an engine, which is why preventatively replacing your BMWs waterpump and refreshing the cooling system every 60,000 miles. The water pump is a weak point is the cooling system. Replacing your waterpump will go a long way for keeping your car on the road and operating properly. This water pump fits many 2006 and newer BMW 6 cylinder engines, specifically all the BMWs with the N51, N52, N53 engines. You will also need to purchase replacement aluminum screws Part #11510392553 

Pierburg pumps are some of the most trusted and widely used on the market. From fuel, water, air and vacuum Pierburg has you covered with OE quality and reliable performance year after year.

This water pump fits the following BMWs:
2008-20xx E82 128i
2006-2006 E90 325i sedan, 330i sedan, 325xi sedan, 330xi sedan
2007-2012 E90 328i sedan, 328xi sedan, 328i xDrive sedan
2007-2012 E92 328i coupe, 328xi coupe, 328i xDrive coupe
2007-2012 E93 328i Convertible
2006-2006 E60 525i, 525xi, 530i, 530xi
2007-2010 E60 528i, 528xi, 528i xDrive
2007-2010 E83 X3 3.0i X3 3.0si
2007-20xx E70 X5 3.0si X5 xDrive30i 
2006-2008 E85 Z4 3.0si
2009-20xx E89 Z4 sDrive30i

Show More Show Less
Hepu - Corporate Logo
T#:369443
Part#: 11517527910
In Stock
$ 68.50 USD
Free Shipping on orders $49 and up
Due to high failure rate on BMW water pumps, we recommend replacement every 60,000 mile interval. Hepu's replacement water pump 11517527910 features a durable metal impeller, while the more expensive Genuine BMW utilizes a high failure plastic impeller.
Show More Show Less

Rein - Corporate Logo
T#:594294
Part#: 11537502525
In Stock
$ 55.99 USD
Free Shipping on orders $49 and up

BMW M52 M54 Water Pipe is an essential replacement part designed to ensure long-term reliability and optimal performance for your BMW's cooling system. Engineered to replace cracked or broken coolant pipes, this high-quality water pipe from Turner Motorsport guarantees a perfect fit and dependable service. Investing in this replacement pipe helps prevent overheating and potential engine damage, maintaining your vehicle's performance and longevity.

  • Reliable replacement: Designed to replace cracked or broken coolant pipes for improved engine cooling.
  • Optimal fitment: Engineered to ensure a perfect fit and seamless installation.
  • Durable construction: Built with high-quality materials to withstand engine temperatures and environmental conditions.
  • Preventative maintenance: Helps avoid overheating and potential engine damage by ensuring a reliable coolant flow.
  • Vehicle compatibility: Specifically designed for BMW M52 and M54 engine models.

Upgrade your BMW’s cooling system with the BMW M52 M54 Water Pipe from Turner Motorsport for enhanced reliability and performance.

Show More Show Less

MTC - Corporate Logo
T#:371231
Part#: 17117514402
In Stock
$ 8.99

This product was last offered at the strikethrough price on
03-17-2026

$ 5.09 USD
Free Shipping on orders $49 and up
$ 5.09 USD
Free Shipping on orders $49 and up
Genuine BMW - Corporate Logo
T#:7432
Part#: 17111712788
In Stock
$ 5.94 USD
Free Shipping on orders $49 and up

This is the Genuine BMW Coolant bleeder screw. We recommend a heavy duty Aluminum replacement from ECS Tuning if you do not want to replace this part again when it fails.


Genuine BMW Vent Screw
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E53 48IS,E30,E34,E36,E38,E39,E46,E53 X5 X5,E83 X3,E85 Z4,E86 Z4,E90
 

 

Show More Show Less

Rein - Corporate Logo
T#:348982
Part#: 11537521049
In Stock
$ 17.99 USD
Free Shipping on orders $49 and up
Connects from the water pump to the thermostat
Redline - Corporate Logo
T#:394769
Part#: REDLINE5A
In Stock
Starting at $ 15.99 USD
Free Shipping on orders $49 and up
Starting at $ 15.99 USD
Free Shipping on orders $49 and up
Water Wetter is a unique wetting agent for cooling systems which reduces coolant temperatures by as much as 30*F. This liquid product can be used to provide rust and corrosion protection in plain water for racing engines, which provides much better heat transfer properties than glycol-based antifreeze.
Show More Show Less

Powerflex - Corporate Logo
T#:21637255
Part#: PFF5-4652
In Stock
$ 42.99 USD
Free Shipping on orders $49 and up
Powerflex Offset Lower Radiator Mounts for BMW E30, E36, E46, Z3, and Z4 offer a comprehensive range of benefits, including heightened cooling efficiency, precise radiator alignment, extended durability, noise reduction, compatibility with BMW models, and suitability for performance-oriented driving scenarios. These mounts are the preferred choice for BMW owners seeking to enhance their vehicle's cooling system performance, whether for daily driving or high-performance applications. Powerflex Offset Lower Radiator Mounts for BMW bring a host of advantages, encompassing: Enhanced Cooling Efficiency: Engineered for improved radiator positioning, these mounts enhance airflow, resulting in superior cooling performance. This ensures that the engine maintains an optimal temperature, reducing the risk of overheating during extended use or demanding conditions. Precise Radiator Alignment: These mounts offer precise radiator alignment, securing it firmly in place. This precision minimizes the potential for vibrations or alignment issues that could lead to leaks or inefficient cooling. Improved Durability and Longevity: Powerflex Offset Lower Radiator Mounts are meticulously crafted using durable polyurethane and high-quality materials. This robust construction enhances the mounts' lifespan, ensuring they can withstand the rigors of daily driving and challenging environments. Reduction in Vibrations and Noise: The secure and stable mounting provided by these mounts effectively reduces vibrations and noise stemming from radiator movement. This leads to a quieter and smoother driving experience without compromising cooling efficiency. BMW Model Compatibility: Designed exclusively for BMW vehicles, these mounts seamlessly and effectively integrate with your vehicle. They cater to the needs of BMW enthusiasts seeking to augment cooling performance and preserve their vehicle's reliability. Ideal for Performance Enthusiasts: Powerflex Offset Lower Radiator Mounts hold particular appeal for performance enthusiasts. They present an effective solution for optimizing cooling in high-performance BMW models, ensuring consistent engine performance during spirited drives or track sessions.
Show More Show Less

Genuine BMW - Corporate Logo
T#:12466
Part#: 11517831099
Ships in 1-2 days
14% off MSRP $ 41.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 36.13 USD
Free Shipping on orders $49 and up
14% off MSRP
$ 41.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 36.13 USD
Free Shipping on orders $49 and up
Steel water pump gasket for your Z3 / M3
URO Premium - Corporate Logo
T#:37858365
Part#: 11537509227PRM
In Stock
$ 89.99 USD
Free Shipping on orders $49 and up
$ 89.99 USD
Free Shipping on orders $49 and up
Get rid of the brittle plastic OEM thermostat housing when replacing the thermostat with this Aluminum Housing alternative! Comes with thermostat and gasket.
Race German - Corporate Logo
T#:6827887
Part#: RGCTSAM12
Ships in 3 Business Days
$ 35.99 USD
Free Shipping on orders $49 and up
Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for M12x1.5 sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor
Show More Show Less


Rein - Corporate Logo
T#:594330
Part#: 11531705210
In Stock
$ 42.39 USD
Free Shipping on orders $49 and up
This is the plastic heater inlet pipe that connects the cylinder head to the heater inlet on cars with the M52 or M54 engine.The plastic on this hose becomes brittle over time and eventually leads to failure.
Show More Show Less
Graf - Corporate Logo
T#:368839
Part#: 11517527910
In Stock
$ 76.69

This product was last offered at the strikethrough price on
05-11-2026

$ 70.35 USD
Free Shipping on orders $49 and up
$ 70.35 USD
Free Shipping on orders $49 and up
Due to high failure rate on BMW water pumps, we recommend replacement every 60,000 mile interval. Graf's replacement water pump 11517527910 features a durable metal impeller, while the more expensive Genuine BMW utilizes a high failure plastic impeller.
Show More Show Less
Genuine BMW - Corporate Logo
T#:360689
Part#: 11537509227
In Stock
3% off MSRP $ 174.45

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 169.69 USD
Free Shipping
3% off MSRP
$ 174.45

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 169.69 USD
Free Shipping

ECS - Corporate Logo
T#:568837
Part#: 020414ECS01KT
In Stock
Sale - Save 25% $ 113.99

This product was last offered at the strikethrough price on
06-14-2026

$ 85.49 USD
Free Shipping
Sale - Save 25%
$ 113.99

This product was last offered at the strikethrough price on
06-14-2026

$ 85.49 USD
Free Shipping

Mishimoto - Corporate Logo
T#:363170
Part#: MMFAN16
In Stock
$ 115.99 USD
Free Shipping
$ 115.99 USD
Free Shipping
Genuine BMW - Corporate Logo
T#:1030
Part#: 11517509985
In Stock
11% off MSRP $ 192.54

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 172.26 USD
Free Shipping
11% off MSRP
$ 192.54

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 172.26 USD
Free Shipping
This Original BMW water pump is the latest updated design with a composite impeller. The composite material (similar to Kevlar) is much stronger than the problematic plastic impeller from past water pumps. And it's lighter than the aftermarket metal impellers so that means less strain on the bearing. For an OE/OEM replacement, we have found that this is the highest quality and longest lasting waterpump available.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This waterpump fits the following BMWs:
1999-2006 E46 3 series - 323i, 323Ci, 328i, 328Ci, 325i, 325Ci, 330i, 330Ci
1999-2003 E39 5 series - 528i, 525i, 530i
1999-2002 Z3 Roadster/Coupe - Z3 2.8, Z3 2.5, Z3 3.0
2004-2006+ X3 SAV - X3 2.5 & 3.0
2000-2006 X5 SAV - X5 3.0
2003-2005 Z4 Roadster/Coupe - Z4 2.5 & Z4 3.0
Show More Show Less

Vargas Turbo Technologies - Corporate Logo
T#:7530036
Part#: COOLANTCAPBLUE
In Stock
$ 79.99 USD
Free Shipping
$ 79.99 USD
Free Shipping
VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit
Show More Show Less
Redline - Corporate Logo
T#:640437
Part#: 81205
In Stock
$ 68.99 USD
Free Shipping
$ 68.99 USD
Free Shipping
Red Line SuperCool Concentrate fortified with WaterWetter is a concentrated antifreeze/coolant designed to maximize the performance of your cooling system with superior protection against cavitation corrosion/erosion. Using SuperCool Concentrate diluted with distilled water protects the entire cooling system keeping new components like new for 5 years/150,000 miles and prevents further damage to older components. Red Line’s proprietary coolant additive formula enhances the fluid’s ability to transfer heat, reducing operating temperatures by up to 20*F and prolonging the life of the entire cooling system. Red Line's SuperCool is an OAT coolant that is a Nitrate and Silicate Free product with its own proprietary corrosion technology to offer superior protection for aluminum engines found in all European vehicles, performance vehicles, as well as other applications. SuperCool will not void the factory warranty either. It can be used to top off the existing coolant of any BMW and will not cause any ill-effects on the cooling system because it is silicate and nitrate free. It is still better to flush it out and switch completely to SuperCool to get all the full benefits of the product in performance and protection.
Show More Show Less

ECS - Corporate Logo
T#:599848
Part#: 004481LA01
In Stock
Sale - Save 15% $ 113.99

This product was last offered at the strikethrough price on
06-14-2026

$ 96.89 USD
Free Shipping
Sale - Save 15%
$ 113.99

This product was last offered at the strikethrough price on
06-14-2026

$ 96.89 USD
Free Shipping
The perfect upgrade for your connection between your thermostat and cylinder head. Designed using durable silicone and billet aluminum to greatly outlast the OE rubber and plastic combination. Some of the weakest points of the cooling systems in BMW's can come down to the OE plastic fittings breaking down from the constant changes in temperature, softening these plastic components. When this happens, even simply moving the hose slightly could cause the fitting to crack, causing the coolant to leak all over. The ECS design silicone hose with billet aluminum adapter retains OE fitment with superior strength to not only handle the performance, but also stand up to the wear and tear of a daily driver. Features: Manufactured from billet 6061-T6 and type III anodized for exceptional durability and corrosion resistance. Much stronger part than OEM plastic Will not become brittle and fatigue over time due to thermal cycling. This will prevent the part from breaking during removal and re-installation. Constructed of 4-Ply reinforced silicone for improved durability over the failure-prone OE rubber hose. Flourosilicone lined internal layer for exceptional chemical resistance. Silicone offers reduced thermal conductivity as well as improved resistance to ozone and UV degradation for improved performance and durability. Follows OEM form for perfect fitment. Utilizes OEM O-ring 11537545278 to ensure a proper seal. Replaces Genuine BMW Part Number: 11537545890
Show More Show Less

Pierburg - Corporate Logo
T#:341216
Part#: 11517586925KT1
In Stock
$ 373.99 USD
Free Shipping
$ 373.99 USD
Free Shipping

Ensure your BMW's optimal performance by replacing a failing water pump with this high-quality replacement. Detectable by symptoms like coolant leaks or whining noises from under the hood, a failing water pump can lead to overheating issues. Don't risk engine damage; keep an eye out for warning signs and promptly replace the water pump. This replacement kit includes one-time-use aluminum mounting bolts for a secure installation.

Product Benefits:

  • Prevents coolant leaks
  • Eliminates whining noises from the engine
  • Avoids overheating issues
  • Includes one-time-use aluminum mounting bolts for secure installation
Show More Show Less
Race German - Corporate Logo
T#:6827888
Part#: RGCTSA1/8NPT
In Stock
$ 35.99 USD
Free Shipping on orders $49 and up
Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for 1/8NPT sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor
Show More Show Less
URO - Corporate Logo
T#:591812
Part#: 11537549476
In Stock
$ 74.99 USD
Free Shipping on orders $49 and up
Restore proper function to your cooling system


Vargas Turbo Technologies - Corporate Logo
T#:7530034
Part#: COOLANTCAPRED
Ships in 2 Business Days
$ 79.99 USD
Free Shipping
$ 79.99 USD
Free Shipping
VTT is proud to offer their billet replacement for the factory plastic Coolant Reservoir cap. This cap does away with the weak plastic cap while adding some pop, and color to your engine bay. This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap. VTT also designed these caps to complement their N5X Billet Oil caps, N5XBillet Oil filter housing caps, and Billet Power Steering cap, so all 4 will have the same design. These caps are offered in 4 colors – Red, Black, Blue, and Clear anodized Replaces Genuine BMW Reservoir Cap # 17117639020 Note: Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. If your BMW is an E90 or newer this cap most likely will fit
Show More Show Less
Wahler - Corporate Logo
T#:360363
Part#: 11537549476
In Stock
Sale - Save 7% $ 97.91

This product was last offered at the strikethrough price on
03-25-2026

$ 91.43 USD
Free Shipping
Sale - Save 7%
$ 97.91

This product was last offered at the strikethrough price on
03-25-2026

$ 91.43 USD
Free Shipping
If your vehicle is experiencing cooling issues, chances are the thermostat is the cause. Common symptoms include a prolonged warm-up at highway speeds from the thermostat being stuck open, or consistent overheating issues from the thermostat being stuck in the closed position. Either condition can result in poor performance and potential damage to vital components in your vehicle.
Show More Show Less
URO - Corporate Logo
T#:372932
Part#: 11517527799
In Stock
$ 42.99 USD
Free Shipping on orders $49 and up
Features a metal impeller for reliability

URO - Corporate Logo
T#:37959694
Part#: 17107523260
In Stock
$ 56.99 USD
Free Shipping on orders $49 and up
Constructed from high-strength, heat-resistant plastic, this component is designed to endure extreme temperatures and fluctuating pressure levels, ensuring the cooling system functions optimally and maintains peak efficiency.
Show More Show Less

Genuine BMW Radiator Hose - Lower - Z4 2.5i 3.0i M54
For roadster models with production date up to 04/2004
Genuine BMW - Corporate Logo
T#:22531
Part#: 17127514405
In Stock
10% off MSRP $ 99.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 91.99 USD
Limited Qty Sale
Free Shipping
10% off MSRP
$ 99.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 91.99 USD
Limited Qty Sale
Free Shipping


Genuine BMW Water Hose -
This item fits the following BMW Chassis:
E85

Fits BMW Engines including:
M54

URO - Corporate Logo
T#:380524
Part#: 17111437361
In Stock
$ 3.99 USD
Free Shipping on orders $49 and up
Usually stripped out after being removed

Mishimoto - Corporate Logo
T#:8933504
Part#: MMOCULBK
In Stock
$ 536.99 USD
Free Shipping
$ 536.99 USD
Free Shipping

Ensure your BMW's engine performs at its peak with the installation of this highly efficient oil cooler from Mishimoto. Even in ideal driving conditions, elevated oil temperatures can lead to decreased pressure and compromised engine lubrication. This comprehensive kit includes four feet of stainless braided line, adapter fittings, and an oil filter sandwich adapter, all meticulously designed to reduce oil temperatures and uphold optimal driving circumstances.

  • Rows: 19
  • Overall Dimensions: 13" x 5.5" x 2"
  • Core Dimensions: 11.25" x 5.5" x 2"
  • Braided Hoses: 4ft .75 inch & 4ft 9 inch
  • Braided Hose Fittings: -10AN
  • Sandwich Plate Fittings: -10AN

Please take into consideration that this product may be subject to Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968). Proposition 65 is a California law that applies to companies selling products in California and necessitates the disclosure of chemicals known to cause cancer, birth defects, or other reproductive harm when present at levels exceeding specified thresholds. For further information regarding California Prop 65 warnings, visit www.P65Warnings.ca.gov.

Show More Show Less
Rein - Corporate Logo
T#:340541
Part#: 17111742231
Ships in 2 Business Days
$ 17.99 USD
Free Shipping on orders $49 and up
This radiator expansion tank cap is used most BMW's from 1991-2006. It is a common failure item. When this item fails, it cannot hold pressure which results in your BMW overheating. If you are overhauling your coolant system, now is the time to consider preventative replacing this cap. It is also referred to as the coolant reservoir cap.
Show More Show Less

Mishimoto - Corporate Logo
T#:31291020
Part#: MMOC10BK
In Stock
$ 126.99 USD
Free Shipping on orders $49 and up

Universal Oil Cooler Black - 10 Row is engineered to maintain optimal oil temperatures and ensure peak engine performance under various driving conditions. This high-performance oil cooler effectively reduces oil temperatures, preventing a drop in pressure and maintaining proper engine lubrication. Featuring a robust 10-row design, it offers superior cooling efficiency compared to standard coolers.

  • Efficient Cooling: The 10-row design enhances cooling capacity to manage high oil temperatures effectively.
  • Durable Construction: Black finish provides durability and resistance to environmental factors.
  • Optimized Performance: Helps prevent a drop in oil pressure and maintains proper engine lubrication.
  • Versatile Fitment: Universal design suitable for various vehicles and applications.
  • Compact Size: Overall dimensions of 12.95" x 3.8" x 1.97" and core dimensions of 11" x 2.76" x 1.97" ensure a good fit in most engine bays.

WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to all companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.

Show More Show Less

Mishimoto - Corporate Logo
T#:637390
Part#: MMFAN-16C
In Stock
$ 117.99 USD
Free Shipping
$ 117.99 USD
Free Shipping
This curved blade fan can be used as an upgrade to the OEM fan for more efficient cooling or fitment issues with aftermarket products. With its slim design, the fan can easily be installed flush against a radiator. For universal installation, use Mishimoto universal fan mount kit, T#363171. Features: High-flow curved blade fan provides 1850 cfm of airflow Universal fitment Compact design with a diameter of 16" and an overall thickness of only 3.2" provides increased engine bay space Mishimoto Lifetime Warranty WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
Show More Show Less
Mishimoto - Corporate Logo
T#:29002063
Part#: MMOC10
In Stock
$ 126.99 USD
Free Shipping on orders $49 and up

BMW & MINI Universal Oil Cooler - 10 Row is a versatile cooling solution designed to enhance the performance and reliability of BMW and MINI vehicles. This high-quality oil cooler provides efficient cooling for the engine oil, ensuring optimal operating temperatures and extending the life of vital engine components.

Crafted with precision engineering and durable materials, the BMW & MINI Universal Oil Cooler - 10 Row is compatible with a wide range of BMW and MINI models, offering versatility and ease of installation. It effectively dissipates heat from the engine oil, reducing the risk of overheating and engine damage.

  • Enhances performance and reliability of BMW and MINI vehicles
  • Efficient cooling for engine oil, ensuring optimal operating temperatures
  • Extends the life of vital engine components
  • Compatible with a wide range of BMW and MINI models
  • Versatile and easy to install
  • Crafted with precision engineering and durable materials

Investing in the BMW & MINI Universal Oil Cooler - 10 Row is a smart choice for BMW and MINI owners looking to improve their vehicle's performance and longevity.

Show More Show Less
Genuine BMW - Corporate Logo
T#:45592
Part#: 17107524912
In Stock
7% off MSRP $ 73.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 68.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 73.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 68.99 USD
Free Shipping on orders $49 and up


Genuine BMW Module Carrier
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E89 Z4,E90,E92,E93



URO - Corporate Logo
T#:37892133
Part#: 11517514942
Back Ordered
$ 2.09 USD
Free Shipping on orders $49 and up

URO Coolant Pipe O-Ring - BMW N52 3.0L

Engineered to meet OE coolant pipe o-ring dimensions, the URO Coolant Pipe O-Ring ensures easy installation and a perfect fit for BMW N52 3.0L engines. It is designed to resist cooling system heat and antifreeze, providing reliable performance under demanding conditions. Constructed from durable ECD (Electro Chemical Degradation)-resistant EPDM material, it helps prevent electrolysis, extending the lifespan of your cooling system. With a temperature rating of -40º F to 275º F (-40º C to 135º C), this o-ring is built to withstand extreme temperatures. Supported by a 24-month unlimited mileage warranty, it is a dependable solution for maintaining your BMW’s cooling system efficiency.

Key Benefits:

  • Precision-molded to OE dimensions for easy installation and perfect fit.
  • Resists cooling system heat and antifreeze for reliable performance.
  • Durable ECD-resistant EPDM material prevents electrolysis.
  • Temperature rating of -40º F to 275º F for extreme condition durability.
  • Includes a 24-month unlimited mileage warranty for peace of mind.
  • Specifically designed for BMW N52 3.0L engines.
Show More Show Less
Mahle-Behr - Corporate Logo
T#:341065
Part#: 17119071519
In Stock at Vendor
$ 271.99 USD
Free Shipping
$ 271.99 USD
Free Shipping

This is a Hella brand (OEM supplier to BMW) replacement radiator for all 1999-2006 E46 3 series (non-M), including 323i, 323Ci, 328i, 328Ci, 325i, 325Ci, 330i, 330Ci, and Z4 2.5 and 3.0. Compare to BMW list price of $318! Save big, while still getting the highest quality radiator available for your BMW.

Hella is a premium manufacturer that supplies automotive parts to numerous car brands across the world. Everything from electrical to mechanical genuine parts have been made and supplied directly to BMW before the vehicles ever leave the production floor. Their high quality, long lasting parts have made them a trusted brand chosen to help keep your BMW on the road for many years to come.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This radiator fits the follow BMWs::
Only for Automatic Transmission 
1999-2006 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi - Not for cars with M56 engine

2006-2008 E85 E86 Z4 BMW Z4 M Coupe Z4 M Roadster

Show More Show Less