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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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Performance Thermostat - 90C - N62, N63, S63, N73, S55

T#:637061

Part#: 11537586885

In Stock

Sale - Save 20% $ 93.99

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05-03-2026

$ 75.06 USD

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Includes housing and sealing o-ring A thermostat that opens sooner promotes better cooling in your vehicle. Running a lower temperature thermostat will keep everything much cooler. Keeping the engine cooler will help reduce and improve the life of the seals in your engine, saving you time and money, while also helping to increase engine performance. A tune might be required to gain the most from this modification, as well as to get your car's ECU accustomed to seeing lower temperatures.

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OEM INA Water Pump - BMW N54 N55 3.0L

T#:40004835

Part#: 11515A05704

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$ 445.99 USD

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$ 445.99 USD

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Water pumps are a critical component of your cooling system. A failed water pump will stop the flow of coolant in your vehicle, leading to overheating and eventual engine damage. Replace your faulty or aging water pump with a high-quality OEM unit from Schaeffler. Replacement for BMW part # 11519455978, 11517632426, and 11517563659.

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GEBA Water Pump - N54 N55 3.0L

T#:36303277

Part#: 11515A05704

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$ 339.99 USD

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$ 339.99 USD

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Water pumps are a critical component of your cooling system. A failed water pump will stop the flow of coolant in your vehicle, leading to overheating and eventual engine damage. Replace your faulty or aging water pump with a high-quality Bav Auto unit. Replacement for BMW part # 11519455978, 11517632426, and 11517563659

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Thermostat

T#:26538316

Part#: 11537601158

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Sale - Save 20% $ 95.99

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05-03-2026

$ 76.70 USD

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$ 76.70 USD

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Coolant Hose

T#:30729017

Part#: 17127576371

Ships on Aug 11, 2026

Sale - Save 20% $ 128.99

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05-03-2026

$ 102.81 USD

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$ 102.81 USD

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Low Temperature Thermostat - 97C

T#:33612901

Part#: 11537601158-97C

In Stock

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05-03-2026

$ 76.70 USD

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Bremmen Upper Radiator Coolant Hose - BMW E70 E71 F15 F16 N55 3.0L ...

T#:50381391

Part#: 17127586774

Ships in 1 day

$ 69.99 USD

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Replacement coolant hose for your BMW that connects the oil filter housing and heater core pipe to the radiator. Replace old, leaking coolant hoses to prevent coolant loss and overheating.

Bremmen Auxiliary Fan Temperature Switch - E46 E39 E9X E60 E70 E53 ...

T#:640141

Part#: 13621433077

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05-03-2026

$ 16.79 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

Bremmen Parts O-Ring

T#:399143

Part#: 11537545278

In Stock

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05-03-2026

$ 4.07 USD

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Seals your cooling system

N54 Coolant Hose/Elbow - 11537545665

T#:36100140

Part#: 11537545665

In Stock

Sale - Save 23% $ 16.99

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05-03-2026

$ 13.05 USD

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$ 13.05 USD

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This Coolant Hose is located behind the thermostat on N54-equipped BMW models. Due to weak rubber construction and its close proximity to the bank one turbocharger, this hose is a common failure item on high-mileage vehicles.

Whether you are replacing a failed hose or preemptively servicing your cooling system, choose this high-quality replacement from Bremmen Parts for a lasting repair.

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Bremmen Lower Radiator Coolant Hose - E70 E71 F15 F16 N63

T#:50381401

Part#: 17127576358

Ships in 1 day

Sale - Save 3% $ 85.67

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

$ 83.10 USD

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$ 83.10 USD

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Connects the lower radiator to the water pump Replace leaking hoses to prevent coolant loss and overheating

Victor Reinz O-Ring

T#:388687

Part#: 11537545278

Ships in 4 Business Days

$ 6.11 USD

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$ 6.11 USD

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Seals your cooling system

O-RING

T#:580584

Part#: C32348

Ships in 1-2 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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Thermostat - 105C

T#:15511827

Part#: 11537502779

Ships on Aug 13, 2026

Sale - Save 3% $ 46.99

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05-03-2026

$ 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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Oil Cooler Thermostat

T#:15511834

Part#: 17107558267

Ships on Aug 13, 2026

Sale - Save 7% $ 19.99

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05-03-2026

$ 18.68 USD

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$ 18.68 USD

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Replace a failing thermostat with an OE replacement to get your car back up and running great again!

Meyle Engine Coolant Thermostat - BMW FXX, GXX

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.

Fluid Level Sensor

We Price Match - Give Us A Call or Chat!

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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Auxillary Fan Switch

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T#:4934936

Part#: 3148210000

Special Order: No Guaranteed ETA

$ 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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Meyle Coolant Expansion Tank - BMW E70 E71

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T#:35998394

Part#: 17138621092

Special Order: No Guaranteed ETA

$ 85.99 USD

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$ 85.99 USD

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The coolant expansion tank in your vehicle provides extra space for fluid expansion and contraction due to temperature changes. Because it regularly experiences these fluctuations, it can become prone to cracks or breaks over time. To ensure that all coolant remains within the system, it's important to replace the tank if it has been damaged, such as with cracks, broken nipples, or damaged mounting points.

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INA Water Pump for E60 , E71 and F10

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T#:36574507

Part#: 11517632426

Back Ordered

$ 691.99 USD

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$ 691.99 USD

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This premium replacement water pump is engineered to OE specifications for performance, reliability, and longevity, making it an essential component for maintaining optimal engine temperatures

Vent Hose

T#:39295552

Part#: 17127576363

Special Order: No Guaranteed ETA

Sale - Save 21% $ 27.99

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

$ 22.02 USD

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Sale - Save 21%

$ 27.99

This product was last offered at the strikethrough price on
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$ 22.02 USD

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