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BMW Cooling System Parts & Accessories for BMW 3 Series E91 (2006-2012)

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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

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T#:591492

Part#: 11117530262

In Stock

$ 21.99 USD

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$ 21.99 USD

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Replace your missing freeze plug today - 110x13mm

Upper Radiator Hose - E9x E82 E89 With N52 Engine

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T#:7460

Part#: 17127531579

In Stock

$ 44.99 USD

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$ 44.99 USD

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This is the upper radiator hose that goes from the engine to the top of the radiator with either N51 or N52 enigne.

This item fits the following BMWs:
2008+ E82 BMW 128i
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe
2007-2013 E93 BMW 328i Convertible
2009+ Z4 BMW Z4 sDrive30i

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Radiator Hose for N52 / N54 - Lower

For N52 engines only

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T#:388683

Part#: 17127564478

In Stock

$ 33.99 USD

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$ 33.99 USD

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Replace split, hard, or bulging hoses

FAE Coolant Temperature Sensor - E46 E39 E82 E9X E60 E63 E38 E65 X3 X...

T#:2472

Part#: 13621433077

In Stock

$ 22.99 USD

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$ 22.99 USD

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This Cooling system temperature sensor mounts into the lower radiator hose.

This item fits the following BMWs:
2008+ E82 BMW 128i
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
2006+ E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi
2007+ E92 BMW 328i 328xi 328i xDrive
2007+ E93 BMW 328i
1999-2003 E39 BMW 525i 528i 530i 540i M5
2004-2010 E60 BMW 525i 525xi 530i 530xi 545i 550i M5
2004+ E63 BMW 645ci 650i M6
1999-2001 E38 BMW 740i 740il 750il
2002-2008 E65 BMW 745i 745li 750i 750li 760i 760li
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i X5 4.4i X5 4.6is X5 4.8is
2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive48i X5M
2007-2014 E71 BMW X6 xDrive50i X6M
2003-2008 Z4 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe

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Rein Water Pipe - E82, E88, E90, E91, E92, E93

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T#:403979

Part#: 11537545890

In Stock

$ 20.99 USD

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$ 20.99 USD

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Connects from the top of the thermostat housing to the engine block

OEM Rein Expansion Tank Vent Hose - E82/8 E9X N52

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T#:402113

Part#: 17127618510

In Stock

$ 32.99 USD

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$ 32.99 USD

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Acts as a vent hose between the upper radiator hose and the expansion tank. Runs the length of the top of the radiator.

Rein Radiator Hose with Temerature Sensor Fitting - E82 E88 E90 E91 E...

Lower

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T#:583051

Part#: 17127531581

In Stock

$ 27.99 USD

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$ 27.99 USD

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Radiator to Thermostat Housing

Rein Radiator Return Hose - E82, E88, E90, E91, E92, E93

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T#:20530

Part#: 64216951946

In Stock

$ 21.99 USD

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$ 21.99 USD

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HOSE F RADIATOR AND ENGINE R 64216951946 Manufactured by CRP

OEM Rein Low Temperature Cooling Module Coolant Hose - BMW E82/88 E9X...

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T#:17738369

Part#: 17127540020

In Stock at Vendor

$ 40.83 USD

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$ 40.83 USD

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Coolant hoses can become brittle over time, leading to cracks and leaks. Replace your coolant hose with this OEM Rein hose to prevent leaks and overheating.

Febi Coolant Expansion Tank - E82, E88, E90, E91, E92, E93, Z4 ...

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T#:340723

Part#: 17137607482

In Stock

$ 151.99

This product was last offered at the strikethrough price on
04-16-2026

$ 104.99 USD

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$ 104.99 USD

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Includes level sensor

Rein Lower Cooling Hose - E82, E88, E90, E91, E92, E93, Z4

For vehicles with automatic transmission only

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T#:402117

Part#: 17117524710

Ships in 4 Business Days

$ 32.99 USD

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$ 32.99 USD

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Connects to lower coolant pipe

OEM Febi Auxiliary Fan Switch

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T#:340712

Part#: 13621433077

Ships on Jan 11, 2027

$ 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 E82 E9X Radiator Return Hose - 64216951946

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T#:640560

Part#: 64216951946

Ships in 1 Business Day

$ 42.99

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

$ 41.99 USD

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$ 41.99 USD

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BMW E82 E9X Radiator Return Hose is an essential replacement part for maintaining optimal cooling system performance in BMW E82 and E9X models. Designed to fit seamlessly into your vehicle’s cooling system, this radiator return hose ensures efficient coolant flow, helping to prevent overheating and potential engine damage.

Perfect Fit: Specifically designed for BMW E82 and E9X models, ensuring compatibility and reliable performance.
High-Quality Construction: Made from durable materials to withstand high temperatures and pressure.
Efficient Cooling: Maintains proper coolant flow to help prevent engine overheating.
Easy Installation: Direct replacement for the original hose, making installation straightforward.

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BMW Coolant / Antifreeze - 1.5L

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T#:16175674

Part#: 82141467704

Ships on Jan 11, 2027

$ 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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Rein Coolant Inlet Hose Section - E82, E83, E88, E90, E91, E92, E93 ...

For vehicles with manual transmission

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T#:388668

Part#: 11537535829

In Stock at Vendor

$ 20.99 USD

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$ 20.99 USD

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Replaces the rubber section of the water pump inlet pipe - includes two clamps

Gates Radiator Hose - Lower - E82, E88, E90, E91, E92, E93, Z4 ...

T#:362198

Part#: 17127564478

Ships in 1 Business Day

$ 72.99 USD

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$ 72.99 USD

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Replace split, hard, or bulging hoses

Rein Coolant Hose - E60, E61, E70, E82, E83, E88, E90, E91, E92, E93,...

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T#:348982

Part#: 11537521049

In Stock

$ 17.99 USD

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$ 17.99 USD

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Connects from the water pump to the thermostat

Febi Coolant Hose - E60, E61, E70, E82, E83, E88, E90, E91, E92, E93,...

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T#:392570

Part#: 11537521049

Ships in 1 Business Day

$ 17.99

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

$ 16.99 USD

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$ 16.99 USD

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Connects from the water pump to the thermostat

Febi Coolant Expansion Tank Cap - E90 E92 F30 F32 F10 F12 F06 ...

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T#:340719

Part#: 17117639020

In Stock

$ 16.99 USD

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$ 16.99 USD

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This radiator expansion tank cap is used most BMW's from 2006+. It is a common failure item. When this item fails, it cannot hold pressure which results in your BMW overheating. If you are overhauling your coolant system, now is the time to consider preventative replacing this cap. It is also referred to as the coolant reservoir cap.

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:
2008-2013 E82 BMW 128i 135i 135is 1M Coupe
2014+ F22 BMW 228i 228i xDrive M235i M235i xDrive
2012+ F30 BMW 320i 320i xDrive 328d 328d xDrive 328i 328i xDrive 335i 335i xDrive - Sedan
2013+ F31 BMW 328i xDrive 328d xDrive - Wagon
2014+ F34 BMW 328i xDrive GT, 335i xDrive GT - Gran Tourismo
2013+ F32 BMW 428i 428i xDrive 435i 435i xDrive - Coupe
2013+ F33 BMW 428i Convertible 428i xDrive Convertible 435i Convertible 435i xDrive Convertible- Convertible
2014+ F36 BMW 428i Gran Coupe 428i xDrive Gran Coupe 435i Gran Coupe 435i xDrive Gran Coupe
2014+ F07 BMW 535i GT, 535i xDrive GT
2012+ F10 BMW 528i 528i xDrive 535i 535i xDrive 535d 535d xDrive
2011+ F10 BMW 528i 528i xDrive 535i 535i xDrive 535d 535d xDrive
2012+ F12 BMW 640i 640i xDrive 650i 650i xDrive
2013+ F06 BMW 640i Gran Coupe 640i xDrive Gran Coupe 650i Gran Coupe 650i xDrive Gran Coupe
2009+ F01 BMW 740i 740li 740li xDrive 740ld xDrive 750i 750li 750i xDrive 750li xDrive 760li
2013+ E84 BMW X1 sDrive28i X1 xDrive28i X1 xDrive35i
2011+ F25 BMW X3 xDrive28i X3 xDrive28d X3 xDrive35i
2015+ F26 BMW X4 xDrive28i X4 xDrive35i
2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive35d X5 xDrive35i X5 xDrive48i X5 xDrive50i X5M
2014+ F15 BMW X5 sDrive35i X5 xDrive35d X5 xDrive35i X5 xDrive50i
2008-2014 E71 BMW X6 xDrive35i X6 xDrive50i X6M

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Febi Temperature Sensor

We Price Match - Give Us A Call or Chat!

T#:340711

Part#: 13621433076

In Stock

$ 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

OEM Rein Coolant Pipe Inlet Hose Section - N52

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T#:388662

Part#: 11537516414

In Stock

$ 19.99 USD

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$ 19.99 USD

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Cooling hoses tend to crack over time after going through countless heating and cooling cycles. This can lead to leaks or air bubbles in the cooling system that lead too coolant loos, hurts cooling potential, or could possibly cause damage from excess heat.

Fits the following BMWs:
Submodels with N52 3.0L engine.

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Aluminum Screws for N52 N54 Water Pump

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T#:2253

Part#: 11510392553

In Stock

$ 7.99

This product was last offered at the strikethrough price on
10-05-2026

$ 7.13 USD

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$ 7.13 USD

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These aluminum water pump screws are single use and must be replaced each time they are removed. These are used on all 325i, 328i, and 330i with the BMW N51 N52 and N53 engines. They were also used on some early N54 engines that have rubber mounts on the water pump housing. Do not use these bolts if your N54 water pump has been replaced with a housing that does not have the rubber mounts.

In German, Rein means Pure. In the automotive industry the Rein name has quickly come to represent quality. With fitments for some of the world’s finest automobiles including BMW and Mini and guaranteed OE quality, Rein is a name you can trust.

This item fits the following BMWs:
2008+ E82 BMW 128i 135i
2007+ E9X BMW 325i 325xi 328i 328xi 330i 335i 335xi
2006+ E60 BMW 525i 525xi 528i 528xi 530i 530xi 535i 535xi
2006+ X3 BMW X3 3.0i X3 3.0si
2006+ Z4 BMW Z4 3.0i Z4 3.0si

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Rein Coolant Temperature Sensor - BMW E6X, E7X, E9X

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T#:52516266

Part#: ELC0090

Ships in 3 Business Days

$ 69.99 USD

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$ 69.99 USD

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The Rein ELC0090 is a critical component for BMW N52-series engines, replacing the often-ignored "angle connector" located beneath the intake manifold.

BMW Radiator Hose Kit - 17127531581

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T#:46719188

Part#: CHK0462

In Stock

$ 43.99 USD

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$ 43.99 USD

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Keep your cooling system sealed, strong, and ready for anything with this Rein radiator hose kit—your all-in-one fix for cracked, leaking, or worn factory hoses. Years of heat, pressure, and age can cause rubber to weaken, split, or swell, setting the stage for coolant leaks and potential overheating. Rein hoses are engineered to meet or exceed OEM standards, built from premium, heat-resistant materials that can take on extreme temperatures and system pressures without faltering. Each hose features factory-correct bends, fittings, and diameters for an exact, hassle-free installation—no cutting or forcing required. Whether you’re tackling a full cooling system refresh or chasing down a small coolant leak, this Rein kit provides everything needed to restore confidence and performance under the hood. Why choose this Rein radiator hose kit: Factory-level precision – Direct-fit replacements that deliver OEM-quality reliability. Built to last – Resists cracking, swelling, and chemical damage from daily heat cycling. Confidence restored – Prevents coolant loss, overheating, and on-road breakdowns. All-in-one upgrade – Includes upper and lower hoses for a complete system refresh. If keeping your BMW’s cooling system running tight and trouble-free is the goal, Rein brings the dependable quality and fitment you can count on—engineered to perform just like factory, mile after mile.

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OEM INA Water Pump - BMW N52 3.0L

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T#:36201646

Part#: 11517586925

Ships in 7 Business Days

$ 624.99 USD

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$ 624.99 USD

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Choose the INA Water Pump for E90 E92 and E93 to ensure your BMW’s cooling system operates efficiently, providing peace of mind and reliable performance on every drive.

10,82x1,78 RD HNBR SH65

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T#:15015311

Part#: 17227581147

Ships in 1 Business Day

$ 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

OEM Rein Water Pump W/ Installation Kit - BMW E82/88 E9X N52 3.0L ...

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T#:45997535

Part#: WPS0502

In Stock at Vendor

$ 811.99 USD

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$ 811.99 USD

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Rein Electric Water Pump Replacement Kits offer a valuable solution to failure-prone cooling-related components on the N52 BMW engine platforms. At the heart of these kits are OEM electric water pumps, which are complemented by Rein's problem solver hoses.

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Water Pump

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T#:46478542

Part#: WPR0046

Ships in 3 Business Days

$ 795.99 USD

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$ 795.99 USD

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Don't take your car's cooling system for granted. A waterpump failure can cost you an engine, which is why preventatively replacing your BMWs waterpump and refreshing the cooling system every 60,000 miles. The water pump is a weak point is the cooling system. Replacing your waterpump will go a long way for keeping your car on the road and operating properly. This water pump fits many 2006 and newer BMW 6 cylinder engines, specifically all the BMWs with the N51, N52, N53 engines. You will also need to purchase replacement aluminum screws Part #11510392553

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Water Pump Service Kit

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T#:57616366

Part#: 115175869251

Ships in 3 Business Days

$ 1,326.99 USD

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$ 1,326.99 USD

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Refresh your cooling setup with full confidence and protect your investment against heat-induced power loss.

Water Pump Service Kit

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T#:57616363

Part#: 115175869259

Ships in 3 Business Days

$ 1,687.99 USD

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$ 1,687.99 USD

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Protect your high-performance driving machine from the devastating consequences of thermal overload with the Rein Water Pump Service Kit.

Water Pump Service Kit

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T#:57616365

Part#: 115175869253

Ships in 3 Business Days

$ 1,265.99 USD

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$ 1,265.99 USD

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Engineered to deliver factory-level reliability, the Rein Electric Water Pump Service Kit is an essential maintenance upgrade for your BMW.

Water Pump Service Kit

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T#:57616362

Part#: 1151758692550

Ships in 3 Business Days

$ 1,264.99 USD

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$ 1,264.99 USD

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This CRP/Rein service kit offers an all-in-one overhaul solution designed to restore maximum cooling system integrity.

Elring Coolant Pipe O-Ring Seal - BMW N52 3.0L

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T#:45415209

Part#: 266.480

In Stock

$ 2.99 USD

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$ 2.99 USD

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Seals the connection between the water pump hose and the engine inlet Replaces BMW # 11517514942

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.

Upper Radiator Coolant Hose

T#:56218581

Part#: 11537516414

Special Order: No Guaranteed ETA

$ 6.99 USD

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Qty

$ 6.99 USD

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

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.

Radiator Support Bracket

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T#:14122755

Part#: 17117514402

Back Ordered

$ 8.99

This product was last offered at the strikethrough price on
08-13-2026

$ 8.24 USD

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$ 8.24 USD

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Mounts to top of radiator bracket, 2 per vehicle.

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