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Febi 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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Febi Coolant System Connector - E36, Z3

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T#:382401

Part#: 11531743679

Ships in 1 Business Day

$ 12.99 USD

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$ 12.99 USD

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Includes O-ring

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

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T#:385560

Part#: 11511439976

Ships in 1 Business Day

$ 20.99

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

$ 18.99 USD

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$ 18.99 USD

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Connects the inlet of the water pump to the valley pan

BMW Bracket

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T#:17339421

Part#: 17111438819

Ships in 1 Business Day

$ 67.99

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

$ 65.99 USD

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$ 65.99 USD

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This plastic piece ensures proper mounting of the radiator.

BMW Coolant Pipe

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T#:17339419

Part#: 11531705220

Ships in 1 Business Day

$ 67.99

This product was last offered at the strikethrough price on
10-14-2026

$ 66.99 USD

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$ 66.99 USD

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This is a set of hard plastic coolant lines that are routed between the auxiliary water pump inlet/outlet, coolant expansion tank, and turbocharger cooling return pipe.

Febi Coolant Hose - E36

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T#:382719

Part#: 64211394295

In Stock

$ 11.67

This product was last offered at the strikethrough price on
07-10-2026

$ 10.99 USD

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$ 10.99 USD

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Connects the heater to the engine block

Rein Aluminum Coolant Connector Pipe - N47, N57

T#:40275130

Part#: 11127810707A

Ships in 1 Business Day

$ 25.99

This product was last offered at the strikethrough price on
05-08-2026

$ 22.99 USD

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$ 22.99 USD

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The factory plastic coolant flange on BMW's N47 and N57 engines is a well-documented failure point. Constant heat cycles, pressure fluctuations, and chemical exposure take their toll—leading to cracks, leaks, and unexpected cooling system failures.

Rein Engineering offers a smart solution: a precision-engineered coolant connector pipe crafted from high-grade aluminum. Unlike the OEM plastic component, this robust upgrade is built to withstand extreme under-hood temperatures and the corrosive nature of coolant, delivering long-term reliability and peace of mind.

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Febi Bypass Hose - E12, E23, E24, E28, E3, E32, E34, E9

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T#:382396

Part#: 11531266459

Ships in 3 Business Days

$ 9.17 USD

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$ 9.17 USD

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Water pump to thermostat housing

Thermostat Housing W/ Cap

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T#:591880

Part#: 11537829959

Ships in 1-2 days

$ 45.99 USD

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$ 45.99 USD

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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.

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.

Coolant Expansion Tank

T#:56544005

Part#: 17139846642

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$ 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.

Expansion Tank Cap

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T#:382437

Part#: 17117639021

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$ 25.99 USD

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$ 25.99 USD

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Maintain maximum cooling efficiency and system pressure with this Febi Bilstein 2.0 bar replacement cap.

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.

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.

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.

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 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.

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.

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.

BMW Thermostat

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T#:16242199

Part#: 11537601158

Special Order: No Guaranteed ETA

$ 209.99 USD

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$ 209.99 USD

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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.

Febi Radiator Fan Clutch - E31, E32, E34, E38, E39

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T#:341629

Part#: 11527502804

Special Order: No Guaranteed ETA

$ 109.99 USD

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$ 109.99 USD

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Quality aftermarket replacement

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.

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.

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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Coolant Hose With Quick Connectors

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T#:17339415

Part#: 11531436410

Special Order: No Guaranteed ETA

$ 28.99 USD

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$ 28.99 USD

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Over the years and with exposure to extremely hot coolant, the coolant hoses in your vehicle can take a beating. Being made of reinforced rubber, these hoses can fail in a number of ways. 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.

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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.

Febi Radiator Hose - Lower - E38, E39

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T#:382399

Part#: 11531741409

Special Order: No Guaranteed ETA

$ 22.99 USD

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$ 22.99 USD

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Replacement lower radiator hose. This is an OEM BMW replacement hose.

This item fits the following BMWs:
1997-1998   E39 BMW   540i
1996-1998   E38 BMW   740i 740il

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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.

BMW water pump

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T#:38385338

Part#: 11517596763

Special Order: No Guaranteed ETA

$ 1,067.99 USD

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$ 1,067.99 USD

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If your water pump is failing, you may notice coolant leaks or hear a whining noise from under the hood. However, with an electric water pump, failure can sometimes go unnoticed until overheating occurs. Watch for warning signs and replace your water pump promptly to avoid engine damage. For vehicles without the M Sport package.

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BMW Coolant Expansion Bottle

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T#:16907163

Part#: 17137619189

Special Order: No Guaranteed ETA

$ 83.99 USD

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$ 83.99 USD

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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.

BMW Coolant Expansion Tank

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T#:38553896

Part#: 17137575578

Special Order: No Guaranteed ETA

$ 73.99 USD

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$ 73.99 USD

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Coolant Expansion Tank Keep your vehicle's cooling system functioning properly with the Coolant Expansion Tank, designed to safely contain and manage coolant expansion as engine temperatures rise. This durable tank helps regulate pressure and fluid levels, preventing overheating and protecting your engine components from damage. Key Features: OEM-Quality Construction – Built to meet or exceed factory standards for perfect fit and reliability. Long-Lasting Durability – Crafted from high-quality materials resistant to cracking, corrosion, and extreme heat. Pressure Regulation – Ensures balanced pressure and fluid levels for effective cooling system operation. Leak-Free Design – Seals securely to prevent coolant leaks and maintain optimal engine temperature. Simple Installation – Direct-fit replacement for a quick and easy upgrade. Replace your damaged or aging Coolant Expansion Tank to maintain optimal cooling performance and protect your engine from heat-related issues.

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Febi Coolant Expansion Tank - E90 335d

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T#:38553903

Part#: 17134714830

Special Order: No Guaranteed ETA

$ 96.99 USD

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$ 96.99 USD

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Replace your damaged expansion tank to prevent coolant loss or potential overheating issues.

This item fits the following BMW Chassis:
E90

Fits BMW Engines including:
M57

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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.

BMW Coolant Flange

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T#:17339423

Part#: 17111707817

Special Order: No Guaranteed ETA

$ 47.99 USD

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$ 47.99 USD

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Water distribution pipe that connects the expansion tank to the radiator

Febi Coolant Expansion Tank - E31, E38, E39

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T#:381841

Part#: 17111741167

Special Order: No Guaranteed ETA

$ 90.99 USD

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$ 90.99 USD

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Replace your cracked or faded expansion tank.

Febi Coolant Hose - E38, E39

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T#:381793

Part#: 11531745595

Special Order: No Guaranteed ETA

$ 22.99 USD

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$ 22.99 USD

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Replacement upper radiator hose. This is an OEM BMW replacement hose.

This item fits the following BMWs:
1997-1998 E39 BMW 540i
1996-1998 E38 BMW 740i 740il

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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.

Thermostat - E90 335d and X5 xDrive35d

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T#:2742

Part#: 11517805811

Special Order: No Guaranteed ETA

$ 47.99 USD

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$ 47.99 USD

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Don't take chances! Proper maintenance is required to keep your BMW performing at peak levels. The thermostat basically controls when your car will overheat. This thermostat fits BMW E90 335d and E70 X5 xDrive35d with the diesel engine.

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:
2009+ E90 BMW 335d
2009+ E70 BMW X5 xDrive35d

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BMW Radiator Hose

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T#:16873816

Part#: 17124552398

Special Order: No Guaranteed ETA

$ 49.99 USD

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Qty

$ 49.99 USD

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Over the years and with exposure to extremely hot coolant, the coolant hoses in your vehicle can take a beating. Being made of reinforced rubber, these hoses can fail in a number of ways. 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.

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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.

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.

Febi Expansion Tank Hose - E31, E38, E39

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T#:6969

Part#: 11531741404

Special Order: No Guaranteed ETA

$ 22.99 USD

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$ 22.99 USD

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ENGINE WATER HOSE 11531741404

BMW Coolant Flange

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T#:17339424

Part#: 17107500745

Special Order: No Guaranteed ETA

$ 30.99 USD

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$ 30.99 USD

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The piece connects the cooling hoses to the expansion tank. Usually broken when trying to remove the hoses from the connections.

Febi Electric Water Pump - BMW F10 F25 N52 3.0L

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T#:36303287

Part#: 11517583836

Special Order: No Guaranteed ETA

$ 1,124.99 USD

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$ 1,124.99 USD

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This water pump is designed to provide reliable and efficient cooling for your BMW's engine. This high-quality electric coolant pump is specifically engineered for the F10 and F25 models, ensuring optimal performance and longevity. As a genuine OEM part, it guarantees perfect compatibility with your BMW, offering seamless integration and superior functionality. Key Benefits: OEM part ensures precise fit and reliable performance. Enhances engine cooling efficiency, preventing overheating. Specifically designed for BMW F10 and F25 models. Manufactured with high-quality materials for durability and longevity. Easy installation for a hassle-free replacement process.

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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.

Febi Coolant Temperature Sender - E31, E32, E34, E36, E38

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T#:382428

Part#: 12621747281

In Stock

$ 20.99 USD

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Qty

$ 20.99 USD

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2 pin

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.

OEM Febi Coolant Flange - BMW E36 E39 E46 Z3

T#:47164973

Part#: 11118511205

Special Order: No Guaranteed ETA

$ 10.99 USD

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$ 10.99 USD

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Angled neck coolant connection pipe that bolts directly to the engine block, ensuring a clean, leak-free flow path just like BMW intended.

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