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BMW Cooling System Parts & Accessories for BMW 6 Series E64 (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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77-85mm - 3/4" Band Hose Clamp

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T#:377877

Part#: 003402ECS07A-05

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06-13-2026

$ 19.49 USD

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Upgrade your BMW's hose clamps with the 77-85mm - 3/4" Band Hose Clamp from Turner Motorsport. These full 304 stainless steel clamps offer convenience and quality without the dealership price tag. German-style T-bolts allow for easy adjustment to your required diameter, ensuring a secure fit every time.

Made of durable 304 stainless steel for long-lasting performance
German-style T-bolt design for easy size adjustment
Convenient band widths for versatile applications
Quality alternative to dealership pricing

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Universal 12" Electric Puller Fan - Black

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T#:598797

Part#: 30102029

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$ 207.99 USD

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1328 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: 13.25in x 12.5in x 3.5n Airflow (CFM): 1328

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60-80mm 1/2"/12mm Band Hose Clamp

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T#:377836

Part#: 003402ECS05A-10

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06-13-2026

$ 5.24 USD

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ECS Tuning Stainless Steel Hose Clamps for BMW

Upgrade your BMW's hose clamps with ECS Tuning Stainless Steel Hose Clamps, designed for convenience and durability. Say goodbye to long waits and overpriced dealership clamps. With various band widths available, these stainless steel clamps ensure a secure fit for your vehicle's hoses.

Benefits:

Convenient replacement for worn-out hose clamps
Made of durable stainless steel for long-lasting performance
Available in various band widths for versatile use
Affordable alternative to dealership pricing

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Febi Coolant Pipe - E53, E60, E63, E64, E65, E66, E70, F02

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T#:385560

Part#: 11511439976

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$ 20.99

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05-07-2026

$ 17.99 USD

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Connects the inlet of the water pump to the valley pan

Rein Coolant Expansion Tank - E60, E61, E63, E64

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T#:402160

Part#: 17137542986

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$ 82.99 USD

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Includes fluid level sensor

Coolant Hose

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T#:591989

Part#: 17127519254

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$ 48.18 USD

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Attaches to the vent port on the expansion tank

O-Ring Kit

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T#:376182

Part#: 111414399752

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$ 57.99

This product was last offered at the strikethrough price on
04-29-2026

$ 56.99 USD

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The O-rings necessary for servicing your water pipe

OEM Rein Coolant Hose - BMW E60 E63/E64 E65/E66

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T#:45791754

Part#: 17127508011R

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$ 35.99 USD

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This hose runs from the lower radiator port on the passenger side of the radiator to the water pump on the engine. Rubber hoses can crack over time, leading to coolant loss. Replace your hose with this OEM Rein hose to eliminate leaks and prevent overheating.

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Fan mounting pin - priced each

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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.

CSF Universal Large Single-Pass Oil Cooler - Universal Application ...

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Universal fitment design - modifications may be necessary to run this cooler

T#:53608839

Part#: 8371

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$ 499.00 USD

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CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.

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Radiator Pressure Test kit 14 pc

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T#:3629267

Part#: ATD3300

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$ 497.99 USD

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Adapters for most European and domestic vehicles

Expansion Tank Cap

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T#:373099

Part#: 17137516004

Ships in 1 Business Day

$ 15.99

This product was last offered at the strikethrough price on
04-10-2026

$ 10.99 USD

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The coolant expansion 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.

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Cool Retrun Hose

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T#:379713

Part#: 17127540666

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$ 80.99 USD

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Connects to the radiator

Universal 10" Electric Fan - Black

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T#:378434

Part#: MMFAN10

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$ 88.99 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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16" Fan shroud gasket

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T#:598825

Part#: 30130074

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$ 17.99 USD

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Provides .25" stand off from radiator, does not work with high output fans.

OEM Rein Coolant Hose w/ Temperature Sensor - BMW E60 E63/E64 E65/E66...

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T#:375746

Part#: 17127508011

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$ 75.99 USD

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This hose runs from the lower radiator port on the passenger side of the radiator to the water pump on the engine. Rubber hoses can crack over time, leading to coolant loss. Replace your hose with this OEM Rein hose to eliminate leaks and prevent overheating.

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Genuine BMW Rubber Mount - Radiator Carrier Mounting - E60 E63 E64 E6...

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T#:45923

Part#: 17117542516

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6% off MSRP $ 16.99

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$ 15.99 USD

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$ 16.99

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$ 15.99 USD

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Genuine BMW Rubber Mounting
This item fits the following BMW Chassis:
E60 M5,E63 M6,E63

Fits BMW Engines including:
M54,N52,N52N,N54,N62,S85,N62N

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Genuine BMW Radiator Support Bracket - Right - E63 E64

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T#:115901

Part#: 51647008848

Ships in 3 Business Days

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

Genuine BMW Water pump return hose - E60 550i 650i 650i

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T#:19532

Part#: 17127540667

Ships in 1 day

2% off MSRP $ 84.99

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

$ 82.99 USD

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2% off MSRP

$ 84.99

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$ 82.99 USD

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Genuine BMW Return Hose -
This item fits the following BMW Chassis:
E63

Fits BMW Engines including:
N62N

Genuine BMW Connection Pipe - E60 M5 E63 M6 E64 M6

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T#:36168

Part#: 11537835927

Ships in 1 day

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

URO Expansion Tank Vent Pipe - BMW E60 E61 E63 E64 N52 N62

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T#:43750238

Part#: 17127521775

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$ 29.99 USD

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$ 29.99 USD

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Replace your cracked and leaking hose with this replacement to keep your BMW running at its best.

Genuine BMW Radiator Mounting Bracket - E65 760i 760Li

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T#:45876

Part#: 17117507973

Ships in 2 Business Days

3% off MSRP $ 169.99

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

$ 164.99 USD

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3% off MSRP

$ 169.99

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$ 164.99 USD

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Genuine BMW Mounting Plate -
This item fits the following BMW Chassis:
E65

Fits BMW Engines including:
N73

Hose Clamp 2 5/16" - 3 1/4" - priced each

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T#:376806

Part#: 54155K23

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$ 4.99 USD

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$ 4.99 USD

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Hose Clamp 2 5/16" - 3 1/4"

Ensure secure hose connections with the Hose Clamp 2 5/16" - 3 1/4", a versatile and reliable solution for various applications. Crafted from durable materials, this clamp offers superior strength and corrosion resistance. Its adjustable design allows for a snug fit, reducing the risk of leaks and ensuring optimal performance. Upgrade your hose connections with the precision and reliability of the Hose Clamp 2 5/16" - 3 1/4".

Versatile and reliable solution for various applications
Superior strength and corrosion resistance
Adjustable design for a snug fit
Reduces risk of leaks for optimal performance

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Bremmen Parts Radiator Cooling Fan Assembly - E60, E61, E63, E64, E65...

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T#:1195937

Part#: 17427543282

Ships in 1 day

Sale - Save 5% $ 722.15

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

$ 686.04 USD

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Cooling fan with housing

Genuine BMW Radiator

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T#:367911

Part#: 17117519209

Ships in 1 day

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 Coolant Hose - E60 545i E63 645Ci 645Ci

For vehicles with a production date up to 07/2004

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T#:46191

Part#: 17127519254

Ships in 4 Business Days

3% off MSRP $ 79.99

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

$ 77.99 USD

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3% off MSRP

$ 79.99

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

$ 77.99 USD

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Genuine BMW Vent Pipe -
This item fits the following BMW Chassis:
E63

Fits BMW Engines including:
N62

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

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T#:22335

Part#: 11537834271

Ships in 4 Business Days

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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3% off MSRP

$ 817.99

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$ 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

Water Pump And Thermostat Kit - E60 M5 E63 M6 E64 M6

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T#:384144

Part#: 11517838201KT3KT

Ships in 1 day

$ 766.99

This product was last offered at the strikethrough price on
07-08-2026

$ 765.99 USD

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$ 765.99 USD

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The water pumps in BMW's should be serviced near 80,000 miles and may become an issue often times leaving the owner stranded. The aftermarket kit offered provides a single stop for water pump and thermostat replacement needs to save the search and get you back on the road. Kit includes: Genuine BMW thermostat Genuine BMW water pump Genuine BMW coolant Mounting hardware required for the water pump O-rings for the thermostat housing This item fits the following BMWs: 2005+ E60 BMW M5 2005+ E63 BMW M6

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O-RING

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T#:580584

Part#: C32348

In Stock

$ 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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Lower Cooler Bracket - E60, E63, E64

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T#:45925

Part#: 17117544526

Ships in 7 Business Days

$ 34.99 USD

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$ 34.99 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

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T#:36157

Part#: 11537834116

Ships in 7 Business Days

1% off MSRP $ 148.99

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

$ 147.99 USD

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1% off MSRP

$ 148.99

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

$ 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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Anti-Freeze Tester

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T#:641679

Part#: CTAA195

Ships on Jul 24, 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

Thermostat - 105C

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T#:15511827

Part#: 11537502779

Ships on Jul 31, 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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$ 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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Engine Water Pump Gasket Kit

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T#:54317216

Part#: 359.200

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$ 12.99 USD

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$ 12.99 USD

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This Elring water pump gasket set is the perfect solution for refreshing your BMW's cooling circuit during a water pump service or cooling system overhaul.

2 Pin Connector

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T#:33412932

Part#: 61132359999

Ships on Jul 28, 2026

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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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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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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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.

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

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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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$ 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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Meyle Engine Coolant Thermostat - BMW FXX, GXX

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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.

Auxillary Fan Switch

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T#:4934936

Part#: 3148210000

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

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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
05-03-2026

$ 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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BMW Expansion Tank With Cap

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T#:46616010

Part#: EPK0128

Ships in 3 Business Days

$ 86.99

This product was last offered at the strikethrough price on
04-28-2026

$ 74.99 USD

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$ 74.99 USD

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The coolant expansion tank acts as a reservoir for excess coolant as it expands and contracts with temperature changes. Over time, the constant exposure to extreme heat cycles can cause the tank to crack, break, or suffer damage to its nipples or mounting points. To keep coolant properly contained within the system, a damaged tank should be replaced promptly.

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Auxiliary Fan Switch

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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

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

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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:386411

Part#: 11511439976

Special Order: No Guaranteed ETA

$ 14.99 USD

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$ 14.99 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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Meistersatz Temperature Sensor

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T#:379740

Part#: 13621433076

Ships in 3 Business Days

$ 15.99 USD

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$ 15.99 USD

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Monitors coolant / oil temperature

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.

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