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BMW Cooling System Parts & Accessories

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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High Performance Metal Water Pump & Pulley Kit - M54

10X Entries Into Our F80 M3 Sweepstakes

T#:55749612

Part#: 888010330KT3

In Stock

$ 299.99 USD

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$ 299.99 USD

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Thermostat Installation Kit with Thermostat - N54, N55, S55

10X Entries Into Our F80 M3 Sweepstakes

T#:55353595

Part#: OTN54.T85KT3

In Stock

$ 390.23 USD

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$ 390.23 USD

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High oil temperatures are the ultimate enemy of your engine's longevity and performance. If you want to keep pushing your BMW to the limit you need to manage the heat.

Basic Cooling System Service Kit - E9X M3 S65 - Dry

10X Entries Into Our F80 M3 Sweepstakes

T#:53891614

Part#: 17112283500KT

Ships in 1-2 days

$ 540.99

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

$ 535.99 USD

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$ 535.99 USD

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European Fan kit - E36

10X Entries Into Our F80 M3 Sweepstakes

T#:56291051

Part#: 11522243303KT2

Ships on Feb 2, 2027

$ 132.12 USD

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$ 132.12 USD

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This Euro Fan & Clutch Package combines the proven Vaico 11 blade European Fan Blade with a robust URO Viscous Fan Clutch and mounting hardware to keep coolant temperatures under control when under heavy load.

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Oil Filter Housing Replacement Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:57507416

Part#: 11428642283KT4

In Stock

$ 361.99

This product was last offered at the strikethrough price on
10-21-2026

$ 343.99 USD

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$ 343.99 USD

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Maintain reliable oiling system performance and prevent catastrophic oil leaks on the street or track with an Oil Filter Housing Replacement Kit. Designed to replace failing or heat-warped factory housings, this complete assembly cures problematic oil leakage while ensuring proper oil flow through your engine's lubrication circuit. Bundled with a fresh oil pressure sensor, factory sealing gaskets, and new mounting hardware, this kit provides a complete overhaul solution to safeguard engine health and ensure precise oil pressure readings under extreme operating conditions.

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Value Coolant Hose Kit - F3x - N55

10X Entries Into Our F80 M3 Sweepstakes

T#:56507827

Part#: F3XN55CSRL0KT2

In Stock

$ 90.90 USD

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$ 90.90 USD

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Our Value Cooling Maintenance Kit addresses the three most notorious failure points in one shot before you end up stranded on the side of the road or worse, overheating your engine

N52 ECS Cooling System Refresh Kit - E8x E9x

10X Entries Into Our F80 M3 Sweepstakes

T#:59440849

Part#: TWTRPMPPIEBRPRKT

In Stock

$ 665.99 USD

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$ 665.99 USD

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Be sure your cooling system is up to the task

Cooling System Service Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:57507415

Part#: 11428642283KT3

In Stock

$ 458.99

This product was last offered at the strikethrough price on
10-21-2026

$ 440.99 USD

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$ 440.99 USD

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Eliminate common top end oil leaks and fragile plastic cooling components with the ultimate preventive maintenance package for your BMW. Designed for thorough maintenance or prep before track days, this kit pairs a new oil filter housing assembly with fresh gaskets and hardware to restore leak-free oil pressure management. To address vulnerable factory cooling lines, the package includes an upgraded ECS billet aluminum coolant flange, replacing the failure-prone OEM plastic fitting with a permanent metal solution. Bundled with factory Genuine BMW coolant, this service kit delivers peace of mind under extreme driving conditions.

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Cooling System Refresh Kit - Level 2 - E60 E61 N54

10X Entries Into Our F80 M3 Sweepstakes

T#:59257689

Part#: 171375429TMKT

Ships in 1-2 days

$ 1,665.99 USD

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$ 1,665.99 USD

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This cooling overhaul will cover just about everything you could replace on the 535's cooling system. We start with the basic water pump and thermostat bundle. These are already vital to the health and durability of the N54 engine. But to properly maintain these cars for the long term, the rest of the cooling system must be refreshed and preventatively replaced. Here you can add a radiator, expansion tank, 535 cooling hoses, and the BMW antifreeze

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Water Pump And Thermostat Kit with Coolant

10X Entries Into Our F80 M3 Sweepstakes

T#:55965857

Part#: 11517604027KT3

Ships on Nov 11, 2026

$ 493.39 USD

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$ 493.39 USD

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Engineered to OE standards, this comprehensive cooling system package integrates the water pump, aluminum thermostat assembly, critical replacement hardware, and factory specified fluid into a single kit.

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Water Pump Lvl 2 Kit - N57

10X Entries Into Our F80 M3 Sweepstakes

T#:58307537

Part#: 11518516205AKT

Ships on Jan 19, 2027

$ 397.99 USD

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$ 397.99 USD

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For Vehicles WITHOUT Active Steering (S217A) or Dynamic Drive (S2VPA). The Turner Water Pump Lvl 2 Kit for BMW N57 diesels restores thermal reliability. Factory N57 pumps and tensioners degrade, causing overheating and belt slippage. The Level 2 package resolves coolant leaks by integrating a replacement pump, 87-degree thermostat, drive assembly, and BMW Blue G48 antifreeze.

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Water Pump Lvl 2 Kit - N57 (S217A/S2VPA)

10X Entries Into Our F80 M3 Sweepstakes

T#:58307538

Part#: 11518516205BKT

Ships on Jan 19, 2027

$ 453.99

This product was last offered at the strikethrough price on
10-23-2026

$ 452.99 USD

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$ 452.99 USD

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For Vehicles WITH Active Steering (S217A) or Dynamic Drive (S2VPA). The Turner Water Pump Lvl 2 Kit for BMW N57 diesels restores thermal reliability. Factory N57 pumps and tensioners degrade, causing overheating and belt slippage. The Level 2 package resolves coolant leaks by integrating a replacement pump, 87-degree thermostat, drive assembly, and BMW Blue G48 antifreeze.

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Automatic Transmission Thermostat Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:57122955

Part#: 17111438819KT2

Back Ordered

Sale - Save 2% $ 93.99

This product was last offered at the strikethrough price on
10-19-2026

$ 91.86 USD

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Qty

Sale - Save 2%

$ 93.99

This product was last offered at the strikethrough price on
10-19-2026

$ 91.86 USD

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Keeping your E53 X5 automatic transmission cool is essential for longevity and peak performance. The factory transmission thermostat circuit relies on plastic housings and o-ring seals that deteriorate over time. When the transmission thermostat fails or it's mounting assembly cracks, coolant loss follows putting your transmission at risk of overheating under load.

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Thermostat With Housing

T#:56001956

Part#: 11538635689

Special Order: No Guaranteed ETA

$ 126.99 USD

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$ 126.99 USD

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This Febi Bilstein thermostat assembly is the perfect solution for maintaining correct cooling system pressures and temperatures on the street or the track.

Coolant Expansion Tank Cap

T#:56001934

Part#: 46221

Special Order: No Guaranteed ETA

$ 19.99 USD

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$ 19.99 USD

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This Febi Bilstein coolant expansion tank cap is designed to maintain the exact 1.4 bar pressure required to maximize your coolant's boiling point.

Thermostat Housing With Sealing Ring

T#:56616332

Part#: 1151860136X

Special Order: No Guaranteed ETA

$ 64.99 USD

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$ 64.99 USD

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Maintain consistent temperatures both on the street or pushing your vehicle on the track with this OEM-quality thermostat housing from Febi Bilstein.

Upper Radiator Coolant Hose

T#:56218581

Part#: 11537516414

Special Order: No Guaranteed ETA

$ 6.99 USD

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$ 6.99 USD

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This Febi Bilstein upper radiator hose is designed to restore factory-level cooling efficiency with precision tolerances.

Thermostat With Housing, Seal And Temp Sensor

T#:56291021

Part#: 11537647305

Special Order: No Guaranteed ETA

$ 132.99 USD

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$ 132.99 USD

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This Febi Bilstein Thermostat Assembly provides OE-level thermal precision to keep your cooling system operating exactly as it should.

Coolant Hose - Expansion Tank To Distributor & Cylinder Head ...

T#:56471653

Part#: 17125A05950

Special Order: No Guaranteed ETA

$ 31.99 USD

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$ 31.99 USD

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This Febi Bilstein Coolant Pipe is built to uphold the cooling demands of your vehicle, whether you're commuting daily or pushing performance on open roads.

Coolant Hose With Quick Connects - Thermostat To Radiator

T#:56471619

Part#: 17117524710

Special Order: No Guaranteed ETA

$ 17.99 USD

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$ 17.99 USD

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This Febi Bilstein thermostat-to-radiator coolant hose provides the exact fit and durability required to keep your BMW’s operating temperatures strictly regulated.

Electromagnetic Water Pump With Bolts

T#:56291026

Part#: 178011

Special Order: No Guaranteed ETA

$ 879.99 USD

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$ 879.99 USD

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Restore the cooling precision of your BMW with this OEM-spec Febi Bilstein replacement electric water pump.

Mechanical Water Pump With Gasket

T#:56471663

Part#: 11518678905

Special Order: No Guaranteed ETA

$ 56.99 USD

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$ 56.99 USD

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Restore proper coolant circulation and protect your engine against heat soaking with this precision replacement water pump from Febi Bilstein.

Coolant Expansion Tank

T#:56544004

Part#: 17135A6A030

Special Order: No Guaranteed ETA

$ 82.99 USD

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$ 82.99 USD

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This Febi Bilstein coolant expansion tank delivers the strength and exact fitment needed to keep your BMW's cooling system locked down.

Thermostat With Housing & Gasket

T#:56544033

Part#: 11537586885

Special Order: No Guaranteed ETA

$ 68.99 USD

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$ 68.99 USD

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This Febi Bilstein electronic coolant thermostat assembly delivers factory-level thermal control to keep coolant temperatures stable across varying engine loads.

Upper Radiator Coolant Hose

T#:55857750

Part#: 17127596837

Special Order: No Guaranteed ETA

$ 49.99 USD

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$ 49.99 USD

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This febi bilstein upper radiator coolant hose is the ideal preventative maintenance solution for your 2.0L F22, F30, or F32 chassis.

Coolant Expansion Tank

T#:56544003

Part#: 17138677649

Special Order: No Guaranteed ETA

$ 82.99 USD

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$ 82.99 USD

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Prevent catastrophic track-day or daily-driving overheating with this OEM-spec replacement Coolant Expansion Tank by Febi Bilstein.

Coolant Thermostat

T#:55857769

Part#: 11537598865

Special Order: No Guaranteed ETA

$ 68.99 USD

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$ 68.99 USD

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This replacement thermostat from Febi Bilstein ensures your cooling system regulates precisely at the proper factory temperature parameters.

Coolant Hose With Quick Connectors - Engine To Engine Cooler ...

T#:56471652

Part#: 17127619684

Special Order: No Guaranteed ETA

$ 48.99 USD

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$ 48.99 USD

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This upper left radiator coolant hose by Febi Bilstein offers an OE-quality replacement designed to restore structural integrity and fluid flow.

Coolant Expansion Tank

T#:56507814

Part#: 17137642160

Special Order: No Guaranteed ETA

$ 62.99 USD

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$ 62.99 USD

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This Febi Bilstein coolant expansion tank offers OEM quality, engineered to withstand aggressive driving, high thermal loads, and pressurized environments.

Water Pump With Gasket

T#:56218609

Part#: 11517586779

Special Order: No Guaranteed ETA

$ 113.99 USD

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$ 113.99 USD

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Protect your BMW V8 against thermal stress and overheating with this heavy-duty water pump from Febi Bilstein.

Water Pump With Belt Pulley & Seals

T#:56507841

Part#: 11518638026

Special Order: No Guaranteed ETA

$ 121.99 USD

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$ 121.99 USD

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Engineered for ultimate durability, the Febi Bilstein replacement switchable water pump is built to protect your BMW’s B46 or B48 power plant.

Coolant Expansion Tank

T#:56544005

Part#: 17139846642

Special Order: No Guaranteed ETA

$ 83.99 USD

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$ 83.99 USD

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Protect your modern BMW from catastrophic thermal overload with the Febi Bilstein coolant expansion tank.

Bolt For Water Pump

T#:56724732

Part#: 11517602123

Special Order: No Guaranteed ETA

$ 2.99 USD

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$ 2.99 USD

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This Febi Bilstein water pump screw offers superior durability designed to maintain consistent clamping pressure under high thermal loads.

Mechanical Water Pump

T#:56471651

Part#: 11518632585

Special Order: No Guaranteed ETA

$ 67.99 USD

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$ 67.99 USD

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This water pump is manufactured to match original equipment standards, offering a drop-in replacement.

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