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BMW Cooling System Parts & Accessories for BMW 6 Series E63 (2004-2010)

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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 Radiator

T#:367911

Part#: 17117519209

Ships in 1-2 days

6% off MSRP $ 834.99

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$ 786.99 USD

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6% off MSRP

$ 834.99

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$ 786.99 USD

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Genuine BMW Connection Pipe - E60 M5 E63 M6 E64 M6

T#:36168

Part#: 11537835927

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3% off MSRP $ 58.99

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$ 56.99 USD

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3% off MSRP

$ 58.99

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$ 56.99 USD

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Genuine BMW Connection Pipe
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63

Fits BMW Engines including:
S85

Genuine BMW Thermostat Housing with Hollow Bolt, Hose Connector and S...

T#:22335

Part#: 11537834271

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3% off MSRP $ 817.99

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$ 791.99 USD

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3% off MSRP

$ 817.99

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

$ 791.99 USD

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Genuine BMW Thermostat Housing
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63

Fits BMW Engines including:
S85

E60 550i, E63 650i Manual Transmission Cooling Overhaul Package ...

T#:338775

Part#: TMS216193

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$ 658.99

This product was last offered at the strikethrough price on
05-06-2026

Starting at $ 632.99 USD

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Starting at $ 632.99 USD

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The cooling system is one of the major weak points on the N62 engine in the 550i/650i. The water pump itself won't last more than 100,000 miles in most cases and the engine itself is prone to coolant leaks from multiple locations. So a major 550i cooling system overhaul should be planned before the 100,000 mile mark. Aside from obvious leaks the 550i water pump will also squeal or screech indicating the bearings inside have worn. This package covers the water pump, thermostat, and radiator for the 2006-2010 E60 550i and E63 650i with a manual transmission.

The entire cooling system on the 550i is susceptible to leaks and poor performance. The condition of the rest of the cooling system should be considered along with the water pump and thermostat. Replacing the water pump will expose the front of the V8 engine where more problem areas may appear so plan accordingly. The biggest problem is the V8 valley pan gaskets and inner coolant tube seals. The tube carrying coolant through the valley is prone to leaking and replacement is a major job (see our valley pan pipe kit here). Additional items recommended to be replaced during the water pump job are: cooling hoses, expansion tank and cap, temp sensors, drive belts, and pulleys and tensioners.

Base 550i/650i Cooling Package includes:

OEM Behr radiator (17117519210)
OEM water pump (11517586779)
water pump pipe (back of pump to engine block) (11511439976)
OEM thermostat (11537586885)
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This item fits the following BMWs:
2006-2010 E60 BMW 550i with manual transmission
2006-2011 E63 BMW 650i with manual transmission

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Water Pump - E60 545i, E63 645ci, E53 X5 4.4i, 4.8is - N62 engine ...

T#:190639

Part#: 11517524551

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$ 214.99

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

$ 208.99 USD

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$ 208.99 USD

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This water pump includes the gasket (11517508535) and is a direct replacement for your stock pump. This is a water pump. The thermostat is also located in the water pump housing so you may also want to consider replacing that at the same time.

Geba builds all of their pumps to exceed factory specifications by using a metal impeller. This offers a huge improvement over stock and a massive increase in reliability. Servicing all major European models, Geba has you covered when it comes time for a new water pump.

This item fits the following BMWs:
2004-2005 E60 BMW 545i
2004-2005 E63 BMW 645ci
5/2002-2005 E65 BMW 745i 745li
2004-2006 E53 BMW X5 4.4i X5 4.8is

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Repair Kit Radiator Bracket - E60, E61, E63, E64

T#:69738

Part#: 41117165339

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4% off MSRP $ 111.99

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$ 107.99 USD

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4% off MSRP

$ 111.99

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$ 107.99 USD

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Genuine BMW Rep. Kit For Lug Of Radiator Bracket
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63

Genuine BMW Radiator Support Bracket - Right - E63 E64

T#:115901

Part#: 51647008848

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2% off MSRP $ 286.99

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

$ 280.99 USD

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2% off MSRP

$ 286.99

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$ 280.99 USD

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Genuine BMW Bracket, Front Panel, Right
This item fits the following BMW Chassis:
E63 M6,E63

Lower Cooler Bracket - E60, E63, E64

T#:45925

Part#: 17117544526

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3% off MSRP $ 32.99

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$ 31.99 USD

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3% off MSRP

$ 32.99

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$ 31.99 USD

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Genuine BMW Lower Cooler Bracket -
This item fits the following BMW Chassis:
E63

Fits BMW Engines including:
M54,N62

Genuine BMW Return Pipe - 11537834116 -E60 M5,E63 M6

T#:36157

Part#: 11537834116

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1% off MSRP $ 148.99

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$ 147.99 USD

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1% off MSRP

$ 148.99

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$ 147.99 USD

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Avoid leaks by replacing old coolant lines with this Genuine BMW replacement. Genuine BMW Return Pipe This item fits the following BMW Chassis: E60 M5,E63 M6,E63 Fits BMW Engines including: S85

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Genuine BMW Radiator - E60 E63 E64 E66 E65

T#:411160

Part#: 17117585440

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6% off MSRP $ 756.99

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$ 713.99 USD

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6% off MSRP

$ 756.99

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

$ 713.99 USD

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Replace your leaking or aging radiator and avoid costly failures and breakdowns.

Rein Expansion Tank Cap

T#:384807

Part#: 17117639021

In Stock

$ 16.99 USD

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$ 16.99 USD

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Cap for plastic expansion tank

Expansion Tank Replacement Kit - E60 M5,E63 M6

T#:584232

Part#: 17112283345KT

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$ 250.99 USD

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$ 250.99 USD

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The expansion tank in your BMW is a vital component of the cooling system, and because of the constant abuse from heat and temperature changes, it often fails. This kit contains all of the basic items needed for a tank replacement.

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Active Autowerke Thermostat Bypass/Delete Tube - S65

T#:2302749

Part#: 14-016

Ships on Sep 18, 2026

$ 141.99 USD

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$ 141.99 USD

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CNC machined coolant/water thermostat bypass tube to improve flow on and off the track. Easy plug and play installation and a durable anodized coating make this a simple and reliable temperature control solution.

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Meistersatz Temperature Sensor

T#:379740

Part#: 13621433076

Ships in 4 Business Days

$ 15.99 USD

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$ 15.99 USD

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Monitors coolant / oil temperature

Mahle-Behr Radiator - E60, E63, E64

T#:340697

Part#: 17112282732

Ships on Sep 21, 2026

$ 413.99 USD

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$ 413.99 USD

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Suitable for manual or SMG transmission

Geba Water Pump - BMW E9X M3 S65, E60 M5 M6 S85

T#:363610

Part#: 11517838201

In Stock

$ 190.99 USD

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$ 190.99 USD

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This GEBA water pump is a new, high quality OE replacement that will ensure years of trouble free operation, keeping you on the road with peace of mind. This water pump has a metal impeller and includes the sealing o-ring.

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Bav Auto Temperature Sensor - BMW E39 E46 E9X E60 F01/02

T#:639833

Part#: 13621433076

In Stock

Sale - Save 20% $ 14.99

This product was last offered at the strikethrough price on
05-03-2026

$ 11.99 USD

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This is the coolant temperature sensor used in many BMW models from the late-1990s to the mid-2010s. The engine computer relies on the coolant temp to set the fuel mapping for the engine. As the car warms up the computer changes the fuel mixture. If your car is running a bit rich (too much fuel) it could be because this sensor is failing and not sending the correct info to the computer. This sensor is located in a variety of places depending on the engine. But it's one of those easy replacement items 'while you're in there' when doing a water pump or thermostat replacement. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Thermostat - 105C

T#:15511827

Part#: 11537502779

Ships on Sep 28, 2026

Sale - Save 3% $ 46.99

This product was last offered at the strikethrough price on
05-03-2026

$ 45.58 USD

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$ 46.99

This product was last offered at the strikethrough price on
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$ 45.58 USD

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If your vehicle is experiencing cooling issues, chances are the thermostat is the cause. Common symptoms include 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.

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2 Pin Connector

T#:33412932

Part#: 61132359999

In Stock

Sale - Save 25% $ 10.99

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

$ 8.24 USD

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$ 10.99

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$ 8.24 USD

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Includes connector housing with terminals and seals. Commonly used for the coolant level sensor.

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

*OEM cross reference PN# 61132359999 - Commonly used for the coolant level sensor.

Please reference the original part number from the existing connector to confirm fitment, before ordering.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

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OEM Febi Auxiliary Fan Switch

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T#:340712

Part#: 13621433077

Ships on Dec 1, 2026

$ 29.99 USD

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$ 29.99 USD

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The auxiliary fan switch activates the auxiliary cooling fan to provide additional cooling under high heat loads, and when the car is stationary.

BMW Coolant / Antifreeze - 1.5L

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T#:16175674

Part#: 82141467704

Ships on Dec 1, 2026

$ 70.99 USD

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$ 70.99 USD

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Coolant G11 (Concentrate). The right anti-freeze agent makes a key contribution towards the reliable functioning of the engine cooling system under all operating and weather conditions. Cooler anti-freeze agents from Febi are precisely matched to the special requirements of the vehicle manufacturer and offer reliable protection from damages caused by freezing, corrosion, and cavitation. A good functioning cooling system is a primary prerequisite for the optimum operation of the engine. The ideal mixing ratio is 1:1, which offers frost protection to -36° C. With a ratio of 1:1 of water and concentrate, the boiling point of the cooling is approximately 107° C.+ High protection against freezing, corrosion, and cavitation Prevention of deposits and foam formation

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BMW Oil Cooler

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T#:38385316

Part#: 17217507974

Special Order: No Guaranteed ETA

$ 66.99 USD

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$ 66.99 USD

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The BMW oil cooler maintains optimal engine oil temperature, preventing overheating and ensuring proper lubrication for improved performance and longevity.

BMW Radiator Hose

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T#:38553886

Part#: 17127519252

Special Order: No Guaranteed ETA

$ 36.99 USD

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$ 36.99 USD

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### **Febi Radiator Hose** Ensure your engine stays cool and efficient with the **Febi Radiator Hose**, designed for exceptional durability, flexibility, and OEM-quality performance. This premium replacement hose promotes proper coolant circulation, preventing leaks and overheating for reliable engine operation. #### **Key Features:** - **OEM-Grade Construction** – Crafted to meet or exceed factory specifications for a perfect fit and reliable performance. - **Heat & Pressure Resistant** – Built from high-quality materials to withstand extreme temperatures and coolant system pressure. - **Leak-Resistant Design** – Provides a secure, tight seal to prevent coolant loss and maintain efficiency. - **Durable & Flexible** – Reinforced to resist cracking, swelling, and wear for long-term use. - **Easy Installation** – Direct-fit replacement with no modifications needed for a hassle-free upgrade. Enhance your cooling system with the **Febi Radiator Hose**, ensuring optimal engine temperature regulation and long-lasting protection.

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Auxillary Fan Switch

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T#:4934936

Part#: 3148210000

Special Order: No Guaranteed ETA

$ 18.99 USD

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$ 18.99 USD

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The auxiliary fan switch activates the auxiliary cooling fan to provide additional cooling under high heat loads, and when the car is stationary. Also known as the coolant temperature sending unit, comes with related o-ring

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Fluid Level Sensor

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T#:5973204

Part#: 17117546548

Special Order: No Guaranteed ETA

$ 13.99 USD

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$ 13.99 USD

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MEYLE-ORIGINAL: True to OE fluid level sensor. Used in multiple locations. Wulf Gaertner Autoparts AG manufactures and markets automotive spare parts under its MEYLE brand. Since its foundation in 1958, Wulf Gaertner Autoparts has been an owner-operated, unlisted family business on the aftermarket scene. Since 1995, Wulf Gaertner Autoparts AG has been manufacturing and trading under its MEYLE brand. They pride themselves on top-grade quality-tested spare parts for passenger cars, vans and commercial vehicles. Comparable OE Cross Reference - 17117546548

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Meyle Engine Coolant Thermostat - BMW FXX, GXX

T#:52797701

Part#: 3282280016

Special Order: No Guaranteed ETA

$ 47.99 USD

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$ 47.99 USD

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This MEYLE thermostat ensures your engine stays at the perfect temperature for efficiency and power.

Bav Auto Coolant Expansion Tank - E60 E61 E63 E64 M54 N52 N62 ...

T#:640491

Part#: 17137542986

Special Order: No Guaranteed ETA

Sale - Save 10% $ 54.99

This product was last offered at the strikethrough price on
05-03-2026

$ 49.49 USD

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$ 54.99

This product was last offered at the strikethrough price on
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$ 49.49 USD

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This Bav Auto cooling system expansion tank/coolant reservoir is a direct replacement for the factory unit. Replace your cracked or leaking radiator expansion tank today. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Auxiliary Fan Switch

T#:376847

Part#: 13621433077

Back Ordered

$ 10.99 USD

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$ 10.99 USD

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Comes with related o-ring

Rein Coolant Return Pipe - N62 N73

T#:386411

Part#: 11511439976

Back Ordered

$ 14.99

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

$ 13.99 USD

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$ 13.99 USD

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This is the coolant return pipe on the back of the water pump on the N62 and N73 engines used in the E53 X5, E60 545/550, E63 645/650, E65 745/750, E70 X5, and F02 750. This pipe connects the water pump to the valley pan and it's a compression fitting (no o-rings). Whenever the water pump or valley pan are replaced this tube should also be replaced. This is one area where you don't want to go back and re-do your work because of a leaking fitting! In German, Rein means Pure. In the automotive industry the Rein name has quickly come to represent quality. With fitments for some of the worldaEURtms finest automobiles including BMW and Mini and guaranteed OE quality, Rein is a name you can trust.

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Genuine BMW Pressure Hose Assy Inlet - 11427837253 -E60 M5,E63 M6 ...

T#:35459

Part#: 11427837253

Back Ordered

5% off MSRP $ 426.99

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

$ 406.99 USD

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5% off MSRP

$ 426.99

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

$ 406.99 USD

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Genuine BMW Pressure Hose Assy Inlet
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63

Fits BMW Engines including:
S85

Behr Radiator - E60, E61, E63, E64

For vehicles with manual transmission

T#:579569

Part#: 376755591

Back Ordered

$ 267.99 USD

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$ 267.99 USD

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Replace your leaking radiator

BMW Heater Control Valve

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T#:16907152

Part#: 64110301939

Special Order: No Guaranteed ETA

$ 199.99 USD

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$ 199.99 USD

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This valve controls the flow of the coolant into the heater core, which allows warm air to be pushed through the HVAC system.

Schwaben Radiator/ Intercooler Fin Comb

T#:384260

Part#: 015326SCH01A

In Stock

Sale - Save 29% $ 20.99

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

$ 14.99 USD

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$ 20.99

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$ 14.99 USD

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Straighten bent fins in heat exchangers like radiators, condensers, and intercoolers obstruct air flow and reduce heat transfer. Paper-thin fins are easily bent, even by slight pressure.

Schwaben Locking Hose Clamp Pliers

T#:377131

Part#: 004170SCH01A

In Stock

Sale - Save 55% $ 63.99

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

$ 28.79 USD

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These pliers feature a spring loaded clamp with a 24" cable and will lock onto the clamp and hold open for easy removal. These pliers are designed to remove metal or plastic self-tightening hose clamps with diameters from 11/16" to 2-1/2" ( 18 to 54mm).

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Bav Auto Spill-Proof Coolant / Antifreeze Funnel

T#:580395

Part#: B8800082

In Stock

Sale - Save 15% $ 32.99

This product was last offered at the strikethrough price on
05-03-2026

$ 28.04 USD

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$ 32.99

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$ 28.04 USD

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Multiple adapters include to fit a variety of vehicles.

Bav Auto Fan Clutch Wrench - 32mm

T#:580348

Part#: B8800019

In Stock

Sale - Save 20% $ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 23.99 USD

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$ 29.99

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$ 23.99 USD

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Used to remove your fan clutch

Bav Auto Angled Hose Pinch Plier Set - 2pc

T#:580379

Part#: B8800058

In Stock

Sale - Save 25% $ 32.99

This product was last offered at the strikethrough price on
05-03-2026

$ 24.74 USD

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$ 32.99

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Angled jaws close, creating a complete seal every time you use them - the jaws are offset, making it possible to use in hard-to-reach locations. Made of glass-filled nylon for extra strength. These are perfect for use with brake lines, etc.

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O-RING

T#:580584

Part#: C32348

Ships in 7 Business Days

$ 3.99

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

$ 2.99 USD

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$ 2.99 USD

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Gear Wrench Angled Hose Clip Pliers

T#:387079

Part#: KDT3977

Ships in 2 Business Days

$ 53.99 USD

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$ 53.99 USD

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This tool is a variation of our popular 3976 Flat Band Hose Clamp Pliers and features 45º jaws with swivel tips to grip at any angle and pliers that latch securely in position.

419 Pc. Metric Universal O-Ring Assortment

T#:3657943

Part#: ATD3601

Ships in 2 Business Days

$ 59.99 USD

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$ 59.99 USD

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Always have extra o-rings

Radiator Pressure Test kit 14 pc

T#:3629267

Part#: ATD3300

Ships in 7 Business Days

$ 497.99 USD

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$ 497.99 USD

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Adapters for most European and domestic vehicles

Coolant Vacuum Purge & Refill Tool Set

T#:402498

Part#: 024948SCH01A

In Stock

Sale - Save 25% $ 115.99

This product was last offered at the strikethrough price on
05-03-2026

$ 86.99 USD

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$ 115.99

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The Schwaben Coolant Vacuum Fill Tool ensures no air pockets get into your cooling system while you're replacing your coolant - intended for use to refill your cooling system, not for removal. Can be used with Schwaben fluid extractors or with shop air - standard air compressor with a minimum rating of 90 PSI (6.2 bar). Includes all fittings and adapters necessary for use, with a molded storage case to keep your Schwaben Vacuum Fill Tool pristine for future use.

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Anti-Freeze Tester

T#:641679

Part#: CTAA195

Ships on Sep 21, 2026

$ 9.98 USD

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$ 9.98 USD

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Tests all ethylene glycol solutions with radiator hot or cold

Fan Clutch Wrench - 32mm

T#:641760

Part#: CTAA878

Ships on Sep 21, 2026

$ 23.57 USD

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$ 23.57 USD

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Use to remove and install Fan Clutch Assemblies when replacing Water Pumps or doing other Engine Services

Schwaben Coolant Refill/Air Purge Tool

T#:362940

Part#: 003466SCH01

Ships on Sep 1, 2026

Sale - Save 20% $ 109.99

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

$ 87.99 USD

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$ 109.99

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

$ 87.99 USD

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When it comes to BMW's we all know the weak point is commonly in the cooling system, many models proving hard to bleed the air pockets out after the refresh. The coolant refill tool solves this problem, ensuring that you get an air pocket free fill. The entire task is as simple as draining the system like normal, reinstalling the drain plugs and hooking the tool up to your refill location. The reason this tool works so well is due to the venturi valve, it converts air pressure from the compressor to vacuum inside the cooling system, then with a twist of a valve sucks coolant right into the system using the vacuum pressure.

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Schwaben Locking Hose Pinch-Off Pliers

T#:379950

Part#: 009787SCH01A

In Stock

Sale - Save 15% $ 39.99

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

$ 33.99 USD

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Qty

Sale - Save 15%

$ 39.99

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

$ 33.99 USD

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Schwaben Locking Hose Pinch-Off Pliers have adequate clamping force to effectively seal large or pressurized cooling system hoses. These pliers are ideal for clamping shut most hoses, ensuring reliability in your automotive tasks. With swivel jaws, they provide even clamping force, making them a versatile tool for various applications.

Adequate clamping force for large or pressurized hoses
Ideal for clamping shut most hoses
Swivel jaws ensure even clamping force
Versatile tool for automotive maintenance

WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. For more information, visit http://www.p65warnings.ca.gov.

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Radiator / Cooling System Pressure Tester- Bavarian Autosport ...

T#:580397

Part#: B8800084

In Stock

Sale - Save 15% $ 146.99

This product was last offered at the strikethrough price on
05-03-2026

$ 124.94 USD

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Qty

Sale - Save 15%

$ 146.99

This product was last offered at the strikethrough price on
05-03-2026

$ 124.94 USD

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Radiator Pressure Tester Kit

T#:391482

Part#: 014710SCH01A

In Stock

Sale - Save 25% $ 205.99

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

$ 154.49 USD

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Qty

Sale - Save 25%

$ 205.99

This product was last offered at the strikethrough price on
05-03-2026

$ 154.49 USD

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Are you refreshing your coolant system or having issues with coolant loss? An easy way to test your system for leaks and ensure you're able to maintain pressure without coolant loss is the Schwaben Cooling System Pressure Tester Kit.

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