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BMW Cooling System Parts & Accessories for BMW X Series E83 (2004-2010)

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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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Fluid Level Sensor

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T#:5973204

Part#: 17117546548

Ships on Sep 11, 2026

$ 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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Meyle Coolant Hose - BMW N52 3.0L

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T#:35829327

Part#: 11537521049

Ships on Sep 11, 2026

$ 19.99 USD

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$ 19.99 USD

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Over time, coolant hoses in your vehicle can deteriorate due to prolonged exposure to high temperatures from the coolant. Made of reinforced rubber, these hoses are prone to issues such as splitting at hose clamps, swelling, cracking, or even breaking, which can leave you stranded. It's important to replace them at the first sign of wear to prevent coolant loss and ensure your engine stays properly cooled.

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Coolant Thermostat

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T#:55461389

Part#: 11537549476

Ships on Sep 11, 2026

$ 81.99 USD

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$ 81.99 USD

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This Meyle coolant thermostat provides a refresh for your thermal management system, keeping your engine operating exactly where the engineers intended.

URO Coolant Pipe O-Ring - BMW N52 3.0L

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T#:37892133

Part#: 11517514942

Back Ordered

$ 2.09 USD

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$ 2.09 USD

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URO Coolant Pipe O-Ring - BMW N52 3.0L

Engineered to meet OE coolant pipe o-ring dimensions, the URO Coolant Pipe O-Ring ensures easy installation and a perfect fit for BMW N52 3.0L engines. It is designed to resist cooling system heat and antifreeze, providing reliable performance under demanding conditions. Constructed from durable ECD (Electro Chemical Degradation)-resistant EPDM material, it helps prevent electrolysis, extending the lifespan of your cooling system. With a temperature rating of -40º F to 275º F (-40º C to 135º C), this o-ring is built to withstand extreme temperatures. Supported by a 24-month unlimited mileage warranty, it is a dependable solution for maintaining your BMW’s cooling system efficiency.

Key Benefits:

Precision-molded to OE dimensions for easy installation and perfect fit.
Resists cooling system heat and antifreeze for reliable performance.
Durable ECD-resistant EPDM material prevents electrolysis.
Temperature rating of -40º F to 275º F for extreme condition durability.
Includes a 24-month unlimited mileage warranty for peace of mind.
Specifically designed for BMW N52 3.0L engines.

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Radiator Drain Plug With Housing

For vehicles with automatic transmission only

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T#:593032

Part#: 17111437360

In Stock

$ 10.99 USD

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$ 10.99 USD

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This is the drain plug (adjustment screw) for automatic transmission equipped cars.

Electric Water Pump

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T#:54959290

Part#: 313 220 0017

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$ 326.99 USD

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$ 326.99 USD

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Whether you are daily driving or doing a preventative cooling overhaul, this high-quality replacement pump includes fresh mounting hardware to ensure your BMW's cooling system remains reliable.

Auxiliary Fan Switch

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T#:376847

Part#: 13621433077

Ships in 1 Business Day

$ 10.99 USD

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$ 10.99 USD

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Comes with related o-ring

Radiator Mount

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T#:56977984

Part#: 17117514402

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$ 6.99 USD

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$ 6.99 USD

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Maintain cooling system stability under spirited street driving and hard track use with this URO Parts replacement upper radiator mount bracket.

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.

Lower Radiator Mount - Priced Each

T#:361005

Part#: 17111178412

Back Ordered

$ 2.03 USD

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$ 2.03 USD

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This is the small lower rubber mount that goes on the bottom of the radiator. These mounts sit down into mount 17111723337. Fits left or right side - priced each

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