BMW Thermostats for BMW X Series F25 (2011+)

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BMW thermostats are known to fail, but luckily they typically fail wide open - meaning that your car can still cool. We offer thermostats from various OE suppliers we trust along with upgraded motorsport specific thermostats where applicable to make sure your BMW stays cool on track.
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BMW N54 N55 S55 Mosselman Thermostat Installation Kit
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T#:4799665
Part#: THERMINSTALLKT
In Stock
$ 22.99 USD
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BMW N54 N55 S55 Mosselman Thermostat Installation Kit is designed to ensure a seamless installation of the Mosselman thermostat on BMW engines. This comprehensive kit from Turner Motorsport includes all necessary gaskets and components, guaranteeing a reliable and precise installation for optimal engine performance.

  • Complete Kit: Includes all essential gaskets and components required for a hassle-free thermostat installation.
  • Optimal Performance: Ensures proper installation of the Mosselman thermostat, leading to improved engine cooling efficiency and performance.
  • High-Quality Components: Gaskets and parts are manufactured to meet high standards of durability and reliability.
  • Precision Fit: Engineered to match OEM specifications, providing a perfect fit and reliable performance.
  • Ease of Installation: All necessary parts are included, simplifying the installation process and reducing the need for additional purchases.

Upgrade your BMW's cooling system with the Mosselman Thermostat Installation Kit from Turner Motorsport, ensuring a top-quality, reliable setup for your engine.

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Thermostat Replacement Kit - E82 E9X E84 E70 E71 With N55 Engines ...
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Packaged by Turner - Corporate Logo
T#:554075
Part#: 11537601158KT2
Ships on Jul 7, 2026
Sale - Save 25% $ 106.99

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

$ 79.77 USD
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Sale - Save 25%
$ 106.99

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

$ 79.77 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.

Kit includes

  • Wahler Thermostat
  • 1 liter of Coolant

This item fits the following BMWs: 
2008-2013  E82 BMW  135i 135is 1M Coupe 
2013+  E84 BMW  X1 xDrive35i 
2011  E90 BMW  335i 335xi 335i xDrive - Sedan 
2011-2013  E92 BMW  335i 335xi 335i xDrive - Coupe 
2011-2013  E93 BMW  335i Convertible 
2011-2013  E70 BMW  X5 xDrive35i 
2011-2013  E71 BMW  X6 xDrive35i

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Water Pump & Thermostat Kit - BMW F30/F31 328d, F25 X3 28d xDrive...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:48160285
Part#: 11518516204KT2
Ships on Sep 28, 2026
New Item
Sale - Save 6% $ 314.99

This product was last offered at the strikethrough price on
03-04-2026

$ 296.59 USD
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Sale - Save 6%
$ 314.99

This product was last offered at the strikethrough price on
03-04-2026

$ 296.59 USD
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It is important that your coolant system is serviced at regular intervals to ensure a long life. Over time, coolant systems are exposed to high temperatures and repeated thermal cycling, which causes warping, cracking, and hardening of plastics and rubber components in the coolant system. This can lead to coolant leaks and overheating, which can result in extensive engine damage if not resolved in a timely manner. This Water Pump & Thermostat kit helps to address a few of the most problematic parts, replacing these items entirely to keep your cooling system running optimally and efficiently.
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ECS Billet Cylinder Head Outlet Hose Adapter - BMW N52 N54 N55 3.0L N...
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ECS - Corporate Logo
T#:556105
Part#: 024797ECS01
In Stock
Sale - Save 25% $ 74.99

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

$ 56.24 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 74.99

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

$ 56.24 USD
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Some of the biggest issues when owning a BMW can come from cooling system components. Even through years of improvement, the same failure is seen with the plastic fittings and adapters from years of hot to cold temperature fluctuation. The N52/N54/N55/N20 engine sees failure at the plastic cylinder head outlet adapter connecting the cylinder head to the thermostat hose. The stock plastic adapter simply shears off at the end of the barbed fitting, creating a massive coolant leak. The engineering team at ECS Tuning decided a billet aluminum piece was a much better option to contend with the temperature fluctuation. Since other offerings on the market want you to modify your OE hose to be reused, they even developed a silicone replacement hose. These 2 pieces can be purchased separately if you decide to reuse your existing OE hose or in a package kit together for a single click upgrade. Features: Manufactured from billet 6061-T6 with type III anodized for exceptional durability and corrosion resistance. Much stronger part than OEM plastic ​​Will not become brittle and fatigued over time due to thermal cycling. This will prevent the part from breaking during removal and re-installation. Follows OEM form for perfect fitment. Utilizes (and includes) OEM O-ring 11537545278 to ensure a proper seal. Recommended clamp size is 25-40mm
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Thermostat With Aluminum Housing - N20
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Bremmen Parts - Corporate Logo
T#:30828065
Part#: 11538635689M
In Stock
Sale - Save 20% $ 125.99

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

$ 100.36 USD
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Sale - Save 20%
$ 125.99

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

$ 100.36 USD
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BMW N20 2.0L Thermostat With Housing
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Bavarian Autosport - Corporate Logo
T#:18003828
Part#: 11538635689
In Stock
Sale - Save 20% $ 67.99

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

$ 54.39 USD
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Sale - Save 20%
$ 67.99

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

$ 54.39 USD
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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 F25 F26 N54 N55 Thermostat Assembly
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URO - Corporate Logo
T#:15445602
Part#: 11537586784
In Stock
$ 95.99 USD
Free Shipping on orders $49 and up

BMW F25 F26 N54 N55 Thermostat Assembly is crucial for maintaining your vehicle's optimal cooling performance. If your BMW is experiencing cooling issues, the thermostat could be the culprit. Common symptoms include prolonged engine warm-up at highway speeds if the thermostat is stuck open, or consistent overheating if it’s stuck closed. Both conditions can lead to poor performance and potential damage to essential engine components.

  • Optimal Temperature Regulation: Ensures your engine maintains the proper operating temperature for efficient performance.
  • Prevents Overheating: Replaces faulty thermostats that can cause the engine to overheat, protecting vital components.
  • Improves Warm-Up Time: Addresses issues related to prolonged warm-up periods, enhancing overall driving comfort.
  • High-Quality Construction: Designed to meet or exceed OEM specifications for reliability and durability.
  • Easy Installation: Direct fit replacement that simplifies the repair process.

Upgrade your BMW’s cooling system with the BMW F25 F26 N54 N55 Thermostat Assembly from Turner Motorsport to ensure reliable engine performance and prevent overheating issues.

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Genuine BMW Thermostat With Housing - N20
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Genuine BMW - Corporate Logo
T#:367096
Part#: 11538635689
In Stock
11% off MSRP $ 155.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 138.99 USD
Limited Qty Sale
Free Shipping
11% off MSRP
$ 155.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 138.99 USD
Limited Qty Sale
Free Shipping

N20 thermostats are prone to failure - replace yours today with a Genuine BMW replacement.

Turner Motorsport is proud to be your source for Genuine BMW parts.

 


Genuine BMW Thermostat - F25 xDrive35i F26 X4 xDrive35i
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Genuine BMW - Corporate Logo
T#:36074
Part#: 11537586784
Ships in 1 day
12% off MSRP $ 194.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 171.99 USD
Free Shipping
12% off MSRP
$ 194.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 171.99 USD
Free Shipping


Genuine BMW Thermostat -
This item fits the following BMW Chassis:
F25 X3,F26 X4

Fits BMW Engines including:
N55


Genuine BMW Water Pump & Thermostat Kit - BMW F30/F31 328d, F25 X...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:48160261
Part#: 11518516204KT
Ships in 3 Business Days
New Item
$ 451.99

This product was last offered at the strikethrough price on
03-04-2026

$ 428.99 USD
Free Shipping on orders $49 and up
$ 428.99 USD
Free Shipping on orders $49 and up
It is important that your coolant system is serviced at regular intervals to ensure a long life. Over time, coolant systems are exposed to high temperatures and repeated thermal cycling, which causes warping, cracking, and hardening of plastics and rubber components in the coolant system. This can lead to coolant leaks and overheating, which can result in extensive engine damage if not resolved in a timely manner. This Water Pump & Thermostat kit helps to address a few of the most problematic parts, replacing these items entirely to keep your cooling system running optimally and efficiently.
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Thermostat Housing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bremmen Parts - Corporate Logo
T#:15511821
Part#: 11537586784
Special Order: No Guaranteed ETA
Sale - Save 3% $ 79.99

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

$ 77.59 USD
Free Shipping on orders $49 and up
Sale - Save 3%
$ 79.99

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

$ 77.59 USD
Free Shipping on orders $49 and up
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.
Show More Show Less
Meyle Thermostat Housing - BMW E84, F10, F22, F26, F30, F31, F32, F33...
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We Price Match - Give Us A Call or Chat!
Meyle - Corporate Logo
T#:5704976
Part#: 11538635689
Special Order: No Guaranteed ETA
$ 72.99 USD
Free Shipping on orders $49 and up
When it comes to your temperature gauge on your instrument cluster your thermostat plays a large role in where that temperature needle ends up. There are many cases where the vehicle will run a bit cool according to that gauge, oftentimes meaning the thermostat has failed and is stuck open allowing coolant to continuously circulate. The other more damaging side is when it closes shut and keeps the engine from cooling down properly. All vehicles are designed to operate in an ideal temperature range for the ultimate efficiency, life, and performance.
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