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BMW Cooling System Parts & Accessories for BMW 7 Series F01 (2009+)

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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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Bav Auto Water Pump - BMW N54 N55

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T#:637476

Part#: 11517632426

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Sale - Save 17% $ 397.99

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

$ 330.99 USD

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$ 397.99

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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 # 11517632426 and 11517563659. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Vent Hose Assembly

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T#:18468306

Part#: 17127576363

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$ 29.99 USD

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Aluminum connector vs OEM plastic The connector cracks/leaks over time causing coolant to leak and/or overheating problems Molded to OE coolant hose shape for superb fitment Engine heat and ozone resistant Durable ECD (Electro Chemical Degradation)-resistant EPDM material helps prevent electrolysis from breaking down the rubber from the inside-out Temperature rating: -40º F to 275º F (-40º C to 135º C)

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Engine Block Cover - Rear

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T#:36235515

Part#: 11142446298

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$ 464.99 USD

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Details: Fitment guaranteed Replacement for cracked, or damaged engine block cover. Precisely manufactured to OE dimensions for exact fit and easy installation Durable high-quality materials are corrosion-resistant and withstand oil vapor and intense engine heat

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Coolant Expansion Tank

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T#:4126643

Part#: 17137601948

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$ 69.99

This product was last offered at the strikethrough price on
06-09-2026

$ 59.99 USD

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$ 69.99

This product was last offered at the strikethrough price on
06-09-2026

$ 59.99 USD

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URO Coolant Expansion Reservoir. Quality replacement Coolant tank for leaking or old Coolant parts.

URO Intercooler Expansion Tank - BMW N63 N74

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T#:593075

Part#: 17137647281

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The coolant expansion tank in your vehicle gives additional fluid a place to go after expansion and contraction from temperature change. Because it is subjected to such drastic changes on a regular basis, it can often crack or break.

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URO Thermostat Assembly - 11538671516

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T#:28171562

Part#: 11538671516

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$ 68.99 USD

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If your vehicle is struggling with cooling problems, the culprit could be the thermostat. Look out for signs like prolonged warm-up periods at highway speeds (indicative of a stuck-open thermostat) or consistent overheating (a sign of a stuck-closed thermostat). These issues can lead to performance issues and potential damage to crucial vehicle parts.

Key Features:

Ensured compatibility with your vehicle High-flow OE-style design ensures optimal engine cooling Factory housing dimensions for easy installation and secure hose connections Includes a temperature sensor where needed Constructed from durable alloy or composite material to resist warping or cracking, preventing coolant leaks

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URO Thermostat Assembly - BMW E53 E6X E70 F10 F12 F13 F8X

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T#:50031902

Part#: 11537586885

In Stock

$ 77.88

This product was last offered at the strikethrough price on
03-08-2026

$ 74.99 USD

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Provides optimal engine cooling performance.

URO Thermostat Gasket - BMW N62 N63 N73 N74

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T#:592908

Part#: 11531440192

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$ 0.97 USD

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Seals the thermostat to the water pump

Temperature Sensor

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T#:37892090

Part#: 13621433076

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$ 10.34 USD

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Temperature sensor for monitoring coolant and oil

URO Water Pump - BMW N54/N55 3.0L

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T#:43750242

Part#: 11515A05704

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$ 333.99 USD

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If your water pump is starting to fail, you may notice coolant leaks, or even hear a whining noise coming from under the hood. If you think your water pump is starting to fail, replace it as soon as you can. Keep your eyes peeled for warning signs it may be time to replace your water pump. N54 and N55 engines are prone to water pump failure - replace every 60,000 miles.

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Expansion Tank Cap

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T#:373099

Part#: 17137516004

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$ 15.99

This product was last offered at the strikethrough price on
04-10-2026

$ 10.99 USD

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The coolant expansion tank cap keeps necessary pressure on your coolant to increase efficiency. If you have an overheating issue in your vehicle, a simple, quick, and inexpensive part to replace is this cap.

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Bav Auto Temperature Sensor - BMW E39 E46 E9X E60 F01/02

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T#:639833

Part#: 13621433076

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Sale - Save 20% $ 14.99

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05-03-2026

$ 11.99 USD

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This is the coolant temperature sensor used in many BMW models from the late-1990s to the mid-2010s. The engine computer relies on the coolant temp to set the fuel mapping for the engine. As the car warms up the computer changes the fuel mixture. If your car is running a bit rich (too much fuel) it could be because this sensor is failing and not sending the correct info to the computer. This sensor is located in a variety of places depending on the engine. But it's one of those easy replacement items 'while you're in there' when doing a water pump or thermostat replacement. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Coolant Hose

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T#:30828069

Part#: 17127619702

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$ 50.99 USD

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Your cooling system is crucial for maintaining your engine's health over the long haul. Upgrade to Uro's metal flange to replace damaged or worn coolant hoses and ensure lasting performance.

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