BMW Cooling System Parts & Accessories for BMW 5 Series E28 (1982-1988)

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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.

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Genuine BMW - Corporate Logo
T#:30949
Part#: 11121264600
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$ 58.99 USD
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Genuine BMW Connector -
This item fits the following BMW Chassis:
E30,E34

Fits BMW Engines including:
M20

Spal - Corporate Logo
T#:376582
Part#: 30102049
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$ 207.99 USD
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For BMW owners seeking enhanced airflow or tighter engine compartment clearance, Turner Motorsport presents a Universal Fan. Ideal for applications like aftermarket turbo setups, this fan ensures optimal cooling performance. Please note that this fan is universal and may require modification to fit your specific application. Crafted in Italy, this fan boasts dimensions of 16.30in x 15.75in x 3.47in and provides an airflow of 2024 CFM.

  • Enhanced airflow for improved engine cooling
  • Ideal for applications with tight tolerances, such as aftermarket turbo setups
  • Universal design allows for versatile installation
  • Crafted in Italy for quality assurance
  • Compact size with powerful airflow capacity
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Mishimoto - Corporate Logo
T#:637388
Part#: MMFAN-12C
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BMW Mishimoto 12" Universal Curved Blade Electrical Fan

The BMW Mishimoto 12" Universal Curved Blade Electrical Fan is an ideal upgrade for enhancing cooling efficiency or addressing fitment issues with aftermarket components. Turner Motorsport offers this fan with a slim profile that allows for easy installation flush against the radiator, ensuring optimal performance and space utilization.

Benefits:

  • High-Flow Performance: Delivers 1150 CFM of airflow for superior cooling efficiency.
  • Universal Fitment: Designed to fit a wide range of vehicles and applications.
  • Compact Design: With a diameter of 12" and an overall thickness of just 2.5", it increases engine bay space and allows for flexible installation.
  • Versatile Operation: Easily reversible for use as either a pusher or puller fan.
  • Mishimoto Lifetime Warranty: Backed by Mishimoto's lifetime warranty for peace of mind.
  • Prop 65 Warning: Note that Proposition 65 may apply to this product. For more information, visit www.P65Warnings.ca.gov.
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Genuine BMW - Corporate Logo
T#:206329
Part#: 11531710953
In Stock
3% off MSRP $ 59.99

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$ 57.99 USD
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3% off MSRP
$ 59.99

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Genuine BMW Thermostat - 80Cel


Spal - Corporate Logo
T#:598801
Part#: 30100375
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861 CFM. High performance puller fan with straight blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 13.25in x 12.5in x 2.2in Airflow (CFM): 861
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Mishimoto - Corporate Logo
T#:637389
Part#: MMFAN-14C
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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 1300 CFM of airflow Universal fitment Compact design with a diameter of 14" and an overall thickness of only 2.65" 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.
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Mishimoto - Corporate Logo
T#:381042
Part#: MMOC-19
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$ 218.99

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$ 196.99 USD
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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.
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Genuine BMW - Corporate Logo
T#:30617
Part#: 11111285395
In Stock
Sale - Save 21% $ 32.99

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$ 26.07 USD
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$ 32.99

This product was last offered at the strikethrough price on
05-02-2026

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Genuine BMW Cover Lid -
This item fits the following BMW Chassis:
E30

Fits BMW Engines including:
M20


Mishimoto - Corporate Logo
T#:19593926
Part#: MMOCULT
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Enhance your BMW's performance and protect its engine with this high-quality oil cooler kit

Even under ideal driving conditions, elevated oil temperatures can lead to decreased lubrication efficiency and pressure. With this oil cooler, you can maintain optimal oil temperatures for peak driving performance.

Kit Includes:

  • Four feet of stainless braided line for durability
  • Adapter fittings for easy installation
  • Oil filter sandwich adapter for seamless integration

Specifications:

  • 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
  • Includes Thermostat for precise temperature and flow control

*WARNING: This product may be subject to Proposition 65 regulations in California. For more information, visit www.P65Warnings.ca.gov.

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Mishimoto - Corporate Logo
T#:378422
Part#: MMFAN14
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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.
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Genuine BMW - Corporate Logo
T#:35788
Part#: 11531275398
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$ 40.99 USD
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Genuine BMW HOSE
Mahle-Behr - Corporate Logo
T#:2199
Part#: 11531713040
In Stock
$ 36.00

This product was last offered at the strikethrough price on
04-25-2026

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The thermostat regulates the temperature of your coolant. At a predetermined temperature the thermostat will open to let coolant flow to the radiator and be cooled by airflow or the fan. Over time the thermostat will become stuck open or closed, leading to a variety of issues. A closed thermostat will never allow the coolant to reach the radiator and be cooled. Hot coolant will continue to circulate through the engine and absorb even more heat until boiling and the system overheats. An open thermostat is not as bad but is still not ideal - the coolant is always cool, with the temp needle always reading in the cool range. This tells the ECU to richen the fuel mixture to bring the car up to normal operating temp. So your fuel mileage decreases and the car runs rich.

Replacing the thermostat is an easy but messy job. This thermostat includes the main o-ring (but a housing gasket may be required). Consider replacing the housing and any associated temp sensors while you're in there. The cooling system will need to be bled after.

Most of the engines from the mid-1980s through the 1990s use the same thermostat design and they are interchangeable among the different temperatures. This is the 80* thermostat, towards the lower end of the range. However, keep in mind that BMW spent a lot of time engineering the cooling system to work in all kinds of conditions and changing thermostat temperature is not recommended to fix any failures in the cooling system.

This thermostat fits the following BMWs:
1977-1983 E21 BMW 323i
1986-1991 E30 BMW 318is 318ic 325e 325es 325i 325ic 325is 325ix
1992-1999 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1982-1988 E28 BMW 528e
1986-1988 E28 BMW 535i
1989-1995 E34 BMW 525i 535i
1997-1998 E39 BMW 528i
1986-1989 E24 BMW 635csi
1988-1994 E32 BMW 735i 735il
1997-2000 Z3 BMW Z3 2.8 M Roadster M Coupe
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Febi Freeze Plug - 11111714712
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:6570
Part#: 11111714712
Ships in 1-2 days
$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 1.01 USD
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$ 1.01 USD
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ENGINE COVER LID 11111714712
Spal - Corporate Logo
T#:583648
Part#: 30100400
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$ 111.99 USD
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Low profile design makes an easy fit when clearance is an issue. 1300 CFM.
Rein - Corporate Logo
T#:591144
Part#: 11531265084
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$ 2.05 USD
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This O-ring seals the thermostat to the cylinder head.

Rein - Corporate Logo
T#:19431
Part#: 17121712736
In Stock
$ 13.99 USD
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VENT HOSE 17121712736 Manufactured by CRP


Wahler - Corporate Logo
T#:594831
Part#: 11531713040
Ships in 1 Business Day
$ 49.61

This product was last offered at the strikethrough price on
08-12-2026

$ 36.99 USD
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Spal - Corporate Logo
T#:598910
Part#: 30130013
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$ 6.99 USD
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Wire pin used to mount electric fan directly to radiator.

Mahle-Behr - Corporate Logo
T#:2264
Part#: 11531307737
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$ 33.78 USD
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Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat is important in keeping your vehicle cool, allowing coolant to pass once the engine has reached a certain temperature. Use a high quality thermostat such as this OEM Hella thermostat to ensure reliability and long engine life.

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 thermostat fits BMW E28 M5 and E24 M6 with S38 engine.

This item fits the following BMWs:
1987-1988 E28 BMW M5
1987-1989 E24 BMW M6

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URO - Corporate Logo
T#:591950
Part#: 17111117442
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For mounting of radiator and oil cooler

Hepu - Corporate Logo
T#:594805
Part#: 11519070761
In Stock
$ 99.99

This product was last offered at the strikethrough price on
05-07-2026

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Spal - Corporate Logo
T#:598821
Part#: 30101516
Ships in 3 Business Days
11% off MSRP $ 168.99

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

$ 149.99 USD
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11% off MSRP
$ 168.99

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

$ 149.99 USD
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1469 CFM. High performance puller fan with straight blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 16.3in x 15.75in x 2.48in Airflow (CFM): 1469
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URO - Corporate Logo
T#:362012
Part#: 11531287651
Ships in 1 Business Day
$ 11.99 USD
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From water pump to thermostat housing
Radiator Fan Switch - 91/99 degree - E30 E36 E34 E32 E31 Z3
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:4562
Part#: 61311378073
In Stock at Vendor
$ 60.99

This product was last offered at the strikethrough price on
05-07-2026

$ 58.99 USD
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Engine radiator double temperature fan switch, 91/99 degree celsius. This switch is designed to activate the auxiliary fan at the specified temperatures. A faulty switch can lead to the auxiliary fan not activating, causing over heating.
Since the late 1800’s Febi has been fabricating replacement metal parts. This history is self evident in the quality and vast amount of applications they service. With more than 34,000 repair solutions for cars and commercial vehicles you can be sure Febi has you covered.
This item fits the following BMWs:
1987-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
1992-1995 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic M3
1989-1995 E34 BMW 525i 530i 535i 540i M5
1988-1994 E32 BMW 735i 735il 740i 740il 750il
1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
1996-7/1996 Z3 BMW Z3 1.9
1996-5/1997 Z3 BMW Z3 2.8
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URO - Corporate Logo
T#:380458
Part#: 61311375715
Ships in 1 Business Day
$ 15.99 USD
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Replace your coolant level sensor and ensure that your levels are accurately monitored
URO - Corporate Logo
T#:373138
Part#: 11531266459
Ships in 1 Business Day
$ 3.99 USD
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Water pump to thermostat housing
Race German - Corporate Logo
T#:2602237
Part#: M20WPUMPSTUDKIT
Ships in 1 Business Day
$ 11.99 USD
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Replaces the factory bolts with studs and nuts to make changing water pumps a breeze Features 3 Class 45H Allen Head Studs 3 Copper Flange Nuts

Spal - Corporate Logo
T#:25507142
Part#: SPL185TS
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This part replaces faulty thermo-switches found in Spal electric fan conversion kits.

URO - Corporate Logo
T#:373086
Part#: 11521723027
Ships in 1 Business Day
$ 74.00 USD
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Direct replacement from URO
Rein - Corporate Logo
T#:7395
Part#: 17111100848
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$ 11.99 USD
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The radiator tank cap keeps necessary pressure on your coolant to increase efficiency. If you have an overheating issue in your vehicle, a simple, quick, and inexpensive part to replace is this cap. Often times, the coolant is not kept under enough pressure to keep it from boiling or expanding too much. This cap keeps all the heat and liquid inside the coolant system for maximum efficiency. Should be replaced each time major coolant system service is performed.
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Graf - Corporate Logo
T#:3452
Part#: 11519070761
In Stock at Vendor
$ 64.99

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5, 6, 7-series WaterPump (for cars with screw-on fan clutch)

Graf manufactures a wide range of cooling system repair parts for many European vehicle makes including BMW and Mini. With a sharp focus on quality materials and precision manufacturing, this company brings you high quality replacement parts that are meant for the long haul.

This item fits the following BMWs:
1980-1981 E12 BMW 528i
1982-1988 E28 BMW 533i 535i 535is
1989-1995 E34 BMW 535i
1982-1989 E24 BMW 633csi 635csi
1980-1987 E23 BMW 733i 735i
1988-1994 E32 BMW 735i 735il

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Spal - Corporate Logo
T#:598861
Part#: 30100385
In Stock at Vendor
15% off MSRP $ 130.99

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$ 111.99 USD
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15% off MSRP
$ 130.99

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

$ 111.99 USD
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1038 CFM. High performance puller fan with curved blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 15.2in x 14.5in x 2.2in Airflow (CFM): 1038
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Spal - Corporate Logo
T#:583649
Part#: 30102048
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$ 207.99 USD
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Universal fan that allows increased cooling capacity and shroudless design. 1959 CFM.

Spal - Corporate Logo
T#:598825
Part#: 30130074
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$ 17.99 USD
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$ 17.99 USD
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Provides .25" stand off from radiator, does not work with high output fans.
URO - Corporate Logo
T#:373013
Part#: 11531287682
Ships in 1 Business Day
$ 8.99 USD
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Splitting at a hose clamp, swelling, cracking, and breaking are just a few of the ways this hose can leave you stranded. Replace it at the first sign of wear to keep your coolant in your engine.
URO - Corporate Logo
T#:372934
Part#: 11519070761
Ships in 1 Business Day
$ 44.99 USD
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The water pump in your vehicle keeps all that coolant flowing freely. If it begins to fail, overheating problems are inevitable. Don't take a chance on doing damage to engine internals by not replacing your water pump.
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URO - Corporate Logo
T#:384802
Part#: 11531268650
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$ 32.99 USD
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Made to fit just like the stock unit, this replacement will get your coolant system back in top shape quickly. Broken, cracked, or brittle flanges are no longer a problem. Take the worries out of your morning commute with an inexpensive piece of mind.
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URO - Corporate Logo
T#:373014
Part#: 11531289859
Ships in 1 Business Day
$ 15.99 USD
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Replace your radiator hose before a blown hose leaves you stranded.
Nissens - Corporate Logo
T#:583907
Part#: 17111468546
In Stock
$ 304.82

This product was last offered at the strikethrough price on
06-08-2026

$ 299.99 USD
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URO - Corporate Logo
T#:50066848
Part#: 17121712736
In Stock
New Item
$ 12.79 USD
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Coolant overflow hose designed to route excess coolant to and from the expansion tank, helping regulate system pressure and maintain proper coolant levels. Manufactured for correct fit and flow, it ensures reliable expansion tank operation and leak-free performance.
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URO Fan Blade - E12, E23, E24, E28, E30
Fits from 09/79 production date
URO - Corporate Logo
T#:12996
Part#: 11521271846
Ships in 1 Business Day
$ 35.99

This product was last offered at the strikethrough price on
03-02-2026

$ 28.99 USD
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The blades on your radiator cooling fan can get brittle and crack over the years. If cracked, the high speed rotation can cause the fan to spin apart. Don't take a chance on having your fan explode under your hood. Replace it now and keep your cooling proper and your radiator safe.
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Spal - Corporate Logo
T#:598818
Part#: 30102113
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$ 257.99 USD
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2467 CFM. High performance puller fan with curved blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 16.25in x 15.75in x 3.5in Airflow (CFM): 2467
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Expansion Tank Cap
For vehicles with production date up to 05/1984
URO - Corporate Logo
T#:362007
Part#: 17114379047
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$ 7.99 USD
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$ 7.99 USD
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1.2 Bar pressure
Coolant Temperature Sensor
For vehicles with production date up top 09/1985
URO - Corporate Logo
T#:372927
Part#: 62110788115
Ships in 1 Business Day
$ 5.99 USD
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This coolant sensor is located in the coolant system, monitor the temperature for both the gauge and ECU.

Nissens Radiator w/ Auto Transmission Oil Cooler - E24, E28
For vehicles with a production date from 09/1984
Nissens - Corporate Logo
T#:591953
Part#: 17111468073
Ships in 1 Business Day
$ 368.99

This product was last offered at the strikethrough price on
08-12-2026

$ 356.99 USD
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$ 356.99 USD
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Replacement radiator for your BMW!

URO - Corporate Logo
T#:373011
Part#: 11531276647
Ships in 1 Business Day
$ 17.99

This product was last offered at the strikethrough price on
02-22-2026

$ 16.79 USD
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$ 16.79 USD
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Replace your radiator hose before a blown hose leaves you stranded.
Mishimoto - Corporate Logo
T#:1256484
Part#: MMOCULTBK
Ships in 3 Business Days
$ 599.99 USD
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Introducing Mishimoto's Universal Oil Cooler (19 row with Thermostat)

In pursuit of optimal engine lubrication, even under ideal driving conditions, is paramount for BMW owners. Elevated oil temperatures can compromise oil pressure and hinder efficient lubrication. Turner Motorsport's new oil cooler offers a solution to maintain cool oil temperatures, ensuring your engine functions at its best. This comprehensive kit includes four feet of stainless braided line, adapter fittings, and an oil filter sandwich adapter.

Key Features:

  • Effective Heat Dissipation: The oil cooler efficiently dissipates heat, keeping oil temperatures within the optimal range for peak engine performance.
  • Comprehensive Kit: This kit includes four feet of stainless braided line, adapter fittings, and an oil filter sandwich adapter, providing everything you need for a seamless installation.
  • Precise Temperature Control: Equipped with a thermostat for fine temperature and flow control, ensuring the ideal oil temperature is maintained.
  • Proposition 65 Compliant: This product complies with Proposition 65, a California law that ensures product safety.

Elevate your BMW's engine performance and protect it from the effects of elevated oil temperatures. Turner Motorsport has the solution you need.

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.

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Mishimoto - Corporate Logo
T#:378412
Part#: MMFAN12BL
Ships in 3 Business Days
$ 106.99 USD
Only available at this price
Free Shipping
$ 106.99 USD
Only available at this price
Free Shipping
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.
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Rein Coolant Hose - E28, E30, E34
For vehicles with production date from 09/1987
Rein - Corporate Logo
T#:379671
Part#: 13541719966
Ships in 2 Business Days
$ 6.11 USD
Only available at this price
Free Shipping on orders $49 and up
$ 6.11 USD
Only available at this price
Free Shipping on orders $49 and up
Thermostat to throttle housing
Mishimoto - Corporate Logo
T#:378443
Part#: MMFAN12
Ships in 3 Business Days
$ 93.99 USD
Only available at this price
Free Shipping
$ 93.99 USD
Only available at this price
Free Shipping
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