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
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:4799665
Part#: THERMINSTALLKT
In Stock
Sale - Save 6% $ 22.99

This product was last offered at the strikethrough price on
06-15-2026

$ 21.64 USD
Free Shipping on orders $49 and up
Sale - Save 6%
$ 22.99

This product was last offered at the strikethrough price on
06-15-2026

$ 21.64 USD
Free Shipping on orders $49 and up

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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Packaged by Turner - Corporate Logo
T#:554075
Part#: 11537601158KT2
In Stock
Sale - Save 24% $ 106.99

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

$ 81.42 USD
Free Shipping
Sale - Save 24%
$ 106.99

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

$ 81.42 USD
Free Shipping

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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Packaged by Turner - Corporate Logo
T#:55353595
Part#: OTN54.T85KT3
In Stock
New Item
$ 390.23 USD
Free Shipping on orders $49 and up
High oil temperatures are the ultimate enemy of your engine's longevity and performance. If you want to keep pushing your BMW to the limit you need to manage the heat.

Packaged by Turner - Corporate Logo
T#:48160285
Part#: 11518516204KT2
Ships on Jan 25, 2027
Sale - Save 7% $ 318.99

This product was last offered at the strikethrough price on
07-09-2026

$ 297.09 USD
Free Shipping on orders $49 and up
Sale - Save 7%
$ 318.99

This product was last offered at the strikethrough price on
07-09-2026

$ 297.09 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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BMW F25 F26 N54 N55 Thermostat Assembly
2X Entries Into Our F80 M3 Sweepstakes
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 - Corporate Logo
T#:367096
Part#: 11538635689
Ships in 2 Business Days
8% off MSRP $ 177.99

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

$ 162.99 USD
Free Shipping
8% off MSRP
$ 177.99

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

$ 162.99 USD
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 - Corporate Logo
T#:36074
Part#: 11537586784
Ships in 1 day
8% 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.

$ 178.99 USD
Free Shipping
8% 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.

$ 178.99 USD
Free Shipping


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

Fits BMW Engines including:
N55

Mahle-Behr - Corporate Logo
T#:591727
Part#: 11518512234
Ships on Oct 16, 2026
$ 82.99 USD
Free Shipping on orders $49 and up
No heat? Overheating? Time for a cooling system service.

Engine Coolant Thermostat - F25 F26 - N55
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:55965845
Part#: 11537586784
Ships in 3 Business Days
New Item
$ 85.99 USD
Free Shipping on orders $49 and up
Maintain exact control over your N55’s operating temperatures under demanding street and track conditions with this Rein replacement thermostat unit. Engineered to match factory standards, this complete housing and thermostat assembly ensures your cooling system handles thermal loads flawlessly to prevent heat soak or dangerous overheating.
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Genuine BMW - Corporate Logo
T#:186477
Part#: 11518512234
In Stock
9% off MSRP $ 87.99

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

$ 79.99 USD
Free Shipping
9% off MSRP
$ 87.99

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

$ 79.99 USD
Free Shipping


Genuine BMW Thermostat -
This item fits the following BMW Chassis:
F15,F25 X3,F30,F31

Fits BMW Engines including:
N57N

Genuine BMW - Corporate Logo
T#:48160261
Part#: 11518516204KT
Ships in 1 day
$ 455.99

This product was last offered at the strikethrough price on
06-08-2026

$ 443.99 USD
Free Shipping on orders $49 and up
$ 443.99 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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Meyle Coolant Pump Thermostat - 87 Degrees - BMW N47 N57
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55497457
Part#: 3282280010
Ships in 7 Business Days
New Item
$ 35.99

This product was last offered at the strikethrough price on
06-30-2026

$ 16.99 USD
$ 16.99 USD
Keep your engine operating in its powerband and prevent performance-robbing heat soak with this replacement coolant thermostat from Meyle. A failing or sticky thermostat can ruin a track day or spirited drive, making a fresh, high-quality replacement essential for keeping your cooling system performing at its peak under heavy load. Engineered for crisp, reliable valve activation, it ensures your cooling system sheds heat efficiently when you are pushing your vehicle to its limits.
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Wahler - Corporate Logo
T#:47850791
Part#: 11537586784
Ships on Oct 22, 2026
$ 155.99 USD
Free Shipping on orders $49 and up
Thermostat Housing
10X Entries Into Our F80 M3 Sweepstakes
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
Febi - Corporate Logo
T#:56001956
Part#: 11538635689
Special Order: No Guaranteed ETA
New Item
$ 126.99 USD
Free Shipping on orders $49 and up
This Febi Bilstein thermostat assembly is the perfect solution for maintaining correct cooling system pressures and temperatures on the street or the track.

Meyle Thermostat Housing - BMW E84, F10, F22, F26, F30, F31, F32, F33...
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Meyle - Corporate Logo
T#:5704976
Part#: 11538635689
Ships on Oct 15, 2026
$ 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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