BMW Cooling System Parts & Accessories for BMW F25 X3 xDrive28i N20 2.0L

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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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BMW N20 2.0L Thermostat With Housing
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T#:18003828
Part#: 11538635689
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$ 54.39 USD
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$ 67.99

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BMW N20 2.0L Thermostat With Housing ensures optimal engine performance by maintaining the correct operating temperature. This crucial component regulates coolant flow, preventing issues related to overheating or inadequate cooling. The thermostat plays a vital role in your BMW’s temperature gauge, influencing engine efficiency and longevity.

  • Precision Temperature Control: Maintains the engine within the ideal temperature range for optimal performance and efficiency.
  • Complete Assembly: Includes the thermostat and housing, offering a convenient and comprehensive solution for replacements.
  • Reliable Operation: Helps prevent common issues such as overheating or running too cool by regulating coolant flow effectively.
  • Enhanced Engine Life: Ensures the engine operates under ideal conditions, extending its lifespan and improving overall performance.
  • High-Quality Construction: Designed to meet or exceed OEM specifications, providing durability and reliable performance.

Upgrade your BMW with the N20 2.0L Thermostat With Housing to ensure reliable temperature management and enhanced engine performance.

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BMW N20 2.0L Turbo Supply Cooling Line
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T#:17704760
Part#: 11538663516
In Stock
Sale - Save 20% $ 46.99

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$ 37.59 USD
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$ 46.99

This product was last offered at the strikethrough price on
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$ 37.59 USD
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BMW N20 2.0L Turbo Supply Cooling Line is a crucial component designed to ensure optimal cooling for the turbocharger in BMW vehicles equipped with the N20 2.0L turbo engine. This high-quality cooling line maintains proper coolant flow to the turbo, preventing overheating and ensuring reliable performance.

  • Optimal Cooling: Effectively cools the turbocharger to prevent overheating and maintain performance.
  • Durable Construction: Built with high-quality materials for long-lasting reliability.
  • Precise Fitment: Designed specifically for BMW N20 2.0L turbo engines.
  • Enhanced Performance: Helps in sustaining the turbo's efficiency and longevity.
  • Easy Installation: Direct replacement part for a hassle-free installation.

Maintain the efficiency and longevity of your BMW’s turbocharger with this essential cooling line, designed for superior performance and durability.

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Water Pump - N20 N26
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Bavarian Autosport - Corporate Logo
T#:29666093
Part#: 11518635089
In Stock
Sale - Save 20% $ 343.99

This product was last offered at the strikethrough price on
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$ 275.19 USD
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Sale - Save 20%
$ 343.99

This product was last offered at the strikethrough price on
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$ 275.19 USD
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A failing water pump can show early warning signs like coolant leaks or a whining noise from the engine bay—but with electric water pumps, failure can be sudden, often with no warning beyond rapid overheating.

If you suspect your water pump is on its way out, prompt replacement is critical to avoid engine damage. Stay alert to any changes in cooling system performance.

Note: Aluminum mounting bolts are single-use and must be replaced during installation.

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BMW N20 Turbo Cooling Return Line
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Bavarian Autosport - Corporate Logo
T#:17704762
Part#: 11538663517
In Stock
$ 68.99

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

$ 50.99 USD
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$ 68.99

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$ 50.99 USD
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BMW N20 Turbo Cooling Return Line

The BMW N20 Turbo Cooling Return Line is an essential component designed to optimize the performance and longevity of your turbocharger. Turner Motorsport offers this high-quality coolant return line, ensuring efficient cooling and preventing overheating of the turbo system. Engineered for a precise fit, this cooling return line integrates seamlessly with your BMW N20 engine, providing reliable and long-lasting performance.

Benefits:

  • Enhances cooling efficiency to prevent turbocharger overheating
  • Constructed from durable materials for extended reliability
  • Precisely engineered for a perfect fit on BMW N20 engines
  • Easy to install with minimal modifications required
  • Helps maintain consistent turbocharger performance by managing coolant flow effectively
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Thermostat Assembly
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URO - Corporate Logo
T#:15445600
Part#: 11537586783
Ships in 1 Business Day
$ 105.99

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

$ 81.99 USD
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$ 105.99

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

$ 81.99 USD
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A common failing point is the water pump thermostat in some cars. Fix these issues before or at early signs of failure with this OE thermostat replacement.
Front Air Duct
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T#:587224
Part#: 51747210476
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$ 250.99 USD
$ 250.99 USD

URO Parts Expansion Tank Hose - 17128651298
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T#:29002183
Part#: 17128651298
In Stock
$ 19.99 USD
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A leaking expansion tank hose can quickly lead to coolant loss, posing a potential overheating risk. This hose is inexpensive and easy to replace, making it a simple repair anyone can perform in minutes.

Features:

Guaranteed fitment Precision-molded to OE recovery tank hose shape for easy installation Resistant to engine heat and ozone Made from durable ECD (Electro Chemical Degradation)-resistant EPDM material, preventing electrolysis from degrading the rubber internally Temperature rating: -40º F to 275º F (-40º C to 135º C) 24-Month Unlimited Mileage Warranty URO Parts offers more than 8,000 high-quality spare parts, many of which are specifically designed to replace factory BMW components. Their business was founded on the premise of producing parts that adhere to the highest standards of precision, materials, and workmanship. Each part is closely evaluated by a team of industry professionals to determine how to offer the best blend of durability, function, and price. If you're looking for quality replacement components at a reasonable price, look no further than URO Parts.

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BMW Auxiliary Water Pump
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T#:46753502
Part#: 11518635089
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$ 377.99 USD
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If your water pump is on its way out, you might spot coolant leaks or hear a faint whining sound from under the hood. Don’t wait—if you suspect it’s failing, replace it before it leaves you stranded. The tricky part with electric water pumps is that they can fail silently—no noise, no leaks—just sudden overheating. Stay alert for early warning signs that it’s time to swap out your water pump and keep your cooling system running strong.
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URO Turbocharger Cooling Return Line - 11538853293
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T#:28537511
Part#: 11538853293
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$ 56.99 USD
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This hose assembly directs coolant away from the turbocharger, allowing cooler coolant from the radiator to flow through. Replace any leaking coolant lines promptly to prevent engine and turbocharger damage.

Key Features:

Ensured fitment for your vehicle Precision-formed to match the length and shape of OE turbocharger coolant lines, ensuring proper appearance and function Equipped with the correct end fittings for easy installation and leak-free performance Constructed using high-quality materials to withstand coolant exposure and turbo heat URO Parts offers more than 8,000 high-quality spare parts, many of which are specifically designed to replace factory BMW components. Their business was founded on the premise of producing parts that adhere to the highest standards of precision, materials, and workmanship. Each part is closely evaluated by a team of industry professionals to determine how to offer the best blend of durability, function, and price. If you're looking for quality replacement components at a reasonable price, look no further than URO Parts.

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URO Turbocharger Cooling Supply Line - 11538663516
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T#:28537510
Part#: 11538663516
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$ 49.99 USD
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This hose assembly delivers coolant to the turbocharger, aiding in heat dissipation. Promptly replace any leaking coolant lines to prevent engine and turbocharger damage.

Key Features:

Ensured fitment for your vehicle Precision-formed to match the length and shape of OE turbocharger coolant lines, ensuring proper appearance and function Equipped with the correct end fittings for easy installation and leak-free performance Constructed using high-quality materials to withstand coolant exposure and turbo heat URO Parts offers more than 8,000 high-quality spare parts, many of which are specifically designed to replace factory BMW components. Their business was founded on the premise of producing parts that adhere to the highest standards of precision, materials, and workmanship. Each part is closely evaluated by a team of industry professionals to determine how to offer the best blend of durability, function, and price. If you're looking for quality replacement components at a reasonable price, look no further than URO Parts.

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BMW Coolant Pipe - BMW F22/23 F3X
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For vehicles with automatic transmissions only.
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T#:50031885
Part#: 11537639997
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$ 49.99 USD
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Water pipes and coolant hoses are essential for proper cooling. If they are cracked, they are going to need to be replaced as soon as possible to avoid overheating your engine. Wear is easy to see on these rubber hoses. Bulges, cracking, splitting at connections, and the loss of flexibility are usually big indicators that they are reaching the ends of their lives. Replace them whenever this wear is identified. Genuine BMW Feed Line - This item fits the following BMW Chassis: E89 Z4,F10,F22,F30,F31,F32,F33,F34,F36 Fits BMW Engines including: N20,N26
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