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BMW Cooling System Parts & Accessories for BMW X Series E71 (2008-2014)

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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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Elring Freeze Plug

2X Entries Into Our F80 M3 Sweepstakes

T#:591492

Part#: 11117530262

In Stock

$ 25.99

This product was last offered at the strikethrough price on
04-06-2026

$ 21.99 USD

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$ 21.99 USD

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Replace your missing freeze plug today - 110x13mm

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.

Rein Water Hose With Gasket - Water Pump To Engine Inlet

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T#:17804808

Part#: 11537584630R

Back Ordered

$ 40.99 USD

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$ 40.99 USD

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Rein OE quality water hoses are designed to be direct replacements for OE hoses and assemblies. This includes the hose and clamps.

OEM Rein Vent Hose - N63 4.4L

2X Entries Into Our F80 M3 Sweepstakes

T#:554680

Part#: 17127576363

Ships in 1 Business Day

Sale - Save 5% $ 26.99

This product was last offered at the strikethrough price on
08-31-2026

$ 25.64 USD

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$ 26.99

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$ 25.64 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Fits the following engines:
N63 4.4L

OEM Rein Lower Coolant Hose - N63 4.4L

2X Entries Into Our F80 M3 Sweepstakes

T#:554681

Part#: 17127575427

In Stock at Vendor

Sale - Save 5% $ 51.99

This product was last offered at the strikethrough price on
08-31-2026

$ 49.39 USD

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$ 51.99

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08-31-2026

$ 49.39 USD

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Replace your cracked or leaking radiator hose to prevent further leaks and potentially catastrophic failure.

Fits the following engines:
N63 4.4L

Water Hose - Thermostat Housing To Water Pump

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T#:599691

Part#: 11537584543

In Stock

Sale - Save 5% $ 37.99

This product was last offered at the strikethrough price on
08-31-2026

$ 36.09 USD

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$ 37.99

This product was last offered at the strikethrough price on
08-31-2026

$ 36.09 USD

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This short curved coolant hose connects from the aux water pump near the transmission.

Water Hose With O-Ring - Cylinder Head To Thermostat Housing ...

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T#:594303

Part#: 11537585023

In Stock at Vendor

Sale - Save 5% $ 30.11

This product was last offered at the strikethrough price on
08-31-2026

$ 28.60 USD

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$ 30.11

This product was last offered at the strikethrough price on
08-31-2026

$ 28.60 USD

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Replacement Water Hose from Rein

Upper Radiator Hose

2X Entries Into Our F80 M3 Sweepstakes

T#:599684

Part#: 17127586774

Ships in 1 Business Day

Sale - Save 5% $ 42.99

This product was last offered at the strikethrough price on
08-31-2026

$ 40.84 USD

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$ 42.99

This product was last offered at the strikethrough price on
08-31-2026

$ 40.84 USD

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Lower Radiator Hose

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T#:594367

Part#: 17127578703

In Stock at Vendor

Sale - Save 5% $ 40.99

This product was last offered at the strikethrough price on
08-31-2026

$ 38.94 USD

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Sale - Save 5%

$ 40.99

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08-31-2026

$ 38.94 USD

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Replace your swollen or leaking hose.

Rein Turbocharger Coolant Line CHU0902

2X Entries Into Our F80 M3 Sweepstakes

T#:34147744

Part#: 11537577012

Ships in 1 Business Day

Sale - Save 5% $ 69.99

This product was last offered at the strikethrough price on
08-31-2026

$ 66.49 USD

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Rein Turbocharger Coolant Line CHU0902 is a high-quality replacement part designed to ensure optimal cooling for BMW turbocharged engines. This coolant line, available from Turner Motorsport, is engineered to efficiently regulate coolant flow to prevent overheating of the turbocharger, protecting it from damage and extending its lifespan. The Rein Turbocharger Coolant Line CHU0902 offers a perfect OEM fit for seamless installation, making it an ideal choice for both professional mechanics and BMW enthusiasts.

Constructed with durable, heat-resistant materials, this coolant line ensures long-lasting performance and reliability. It’s a vital component for maintaining engine efficiency and maximizing the performance of your BMW’s turbo system.

Key Features:

Designed for BMW turbocharged engines to prevent turbo overheating
Perfect OEM fit for easy, hassle-free installation
Efficient coolant regulation improves engine and turbocharger longevity
Made from durable, heat-resistant materials for long-term reliability
Available from Turner Motorsport, a trusted source for BMW parts and performance upgrades

For BMW owners looking to enhance engine performance and protect the turbo system, the Rein Turbocharger Coolant Line CHU0902 is a must-have upgrade.

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Febi Temperature Sensor

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T#:340711

Part#: 13621433076

Ships in 2 Business Days

$ 17.99

This product was last offered at the strikethrough price on
06-22-2026

$ 16.99 USD

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$ 16.99 USD

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Monitors coolant / oil temperature

Rein Expansion Tank Cap

2X Entries Into Our F80 M3 Sweepstakes

T#:384807

Part#: 17117639021

In Stock

Sale - Save 5% $ 16.99

This product was last offered at the strikethrough price on
08-31-2026

$ 16.14 USD

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$ 16.99

This product was last offered at the strikethrough price on
08-31-2026

$ 16.14 USD

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Cap for plastic expansion tank

Elring Water Pump Gasket - E70, E71, F01, F02, F10, F12, F13, F15, F1...

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T#:596454

Part#: 11517549445

Ships in 1 Business Day

$ 10.99 USD

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$ 10.99 USD

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Replace this gasket anytime you remove or replace the pump.

Water Pump

2X Entries Into Our F80 M3 Sweepstakes

T#:38161720

Part#: 11517632426

Ships in 3 Business Days

Sale - Save 5% $ 782.99

This product was last offered at the strikethrough price on
08-31-2026

$ 743.84 USD

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$ 782.99

This product was last offered at the strikethrough price on
08-31-2026

$ 743.84 USD

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Rein Water Hose With Metal Flange - E70, E71 - N55, N54

2X Entries Into Our F80 M3 Sweepstakes

T#:53750149

Part#: CHU0633

Ships in 3 Business Days

Sale - Save 5% $ 56.99

This product was last offered at the strikethrough price on
08-31-2026

$ 53.88 USD

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$ 56.99

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$ 53.88 USD

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Heat cycles cause Cracking and Leaks on Rubber and Plastic Components. Replace Leaking Hose with this Part From Rein Featuring Upgraded Metal Flanges

10,82x1,78 RD HNBR SH65

2X Entries Into Our F80 M3 Sweepstakes

T#:15015311

Part#: 17227581147

Ships in 2 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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O-ring for oil cooler

Rein Thermostat - E70, E71

2X Entries Into Our F80 M3 Sweepstakes

T#:403980

Part#: 11537550172

Ships in 1 Business Day

Sale - Save 5% $ 67.99

This product was last offered at the strikethrough price on
08-31-2026

$ 64.59 USD

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Sale - Save 5%

$ 67.99

This product was last offered at the strikethrough price on
08-31-2026

$ 64.59 USD

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Replaces failed thermostat or as preventative maintenance for your cooling system

Rein Water Hose - Water Hose To Thermostat Inlet

2X Entries Into Our F80 M3 Sweepstakes

T#:17738370

Part#: 11537589949

Ships in 3 Business Days

Sale - Save 5% $ 45.99

This product was last offered at the strikethrough price on
08-31-2026

$ 43.69 USD

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$ 45.99

This product was last offered at the strikethrough price on
08-31-2026

$ 43.69 USD

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Prevents leaks and comebacks from reusing old quick connects and o-rings.

OEM Rein Lower Radiator Coolant Hose - E70 E71 F15 F16 N63

2X Entries Into Our F80 M3 Sweepstakes

T#:17738371

Part#: 17127576358

In Stock at Vendor

Sale - Save 5% $ 72.99

This product was last offered at the strikethrough price on
08-31-2026

$ 69.34 USD

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$ 72.99

This product was last offered at the strikethrough price on
08-31-2026

$ 69.34 USD

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Rein Coolant Hose CHK0722 is a high-performance replacement hose that connects the lower radiator to the water pump.

Water Pump Service Kit

2X Entries Into Our F80 M3 Sweepstakes

T#:38161728

Part#: 11515A05704

Ships on Sep 21, 2026

Sale - Save 5% $ 749.99

This product was last offered at the strikethrough price on
08-31-2026

$ 712.21 USD

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$ 749.99

This product was last offered at the strikethrough price on
08-31-2026

$ 712.21 USD

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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.

Expansion Tank Cap

We Price Match - Give Us A Call or Chat!

T#:382437

Part#: 17117639021

Special Order: No Guaranteed ETA

$ 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.

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.

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.

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