BMW Thermostats for BMW 4 Series F32 (2014+)

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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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Mosselman Turbosystems - Corporate Logo
T#:4621130
Part#: OTN55.T85
In Stock
$ 399.99 USD
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$ 399.99 USD
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**** DOES NOT INCLUDE HARDWARE ****** Hardware - ES4772301 The N55 engine is no stranger to oil cooling problems, that�s why we recommend installing the MSL Oil Thermostat. The standard oil thermostat will reach around 120 degrees Celsius with a normal driving style. The MSL Oil Thermostat will open at a lower temperature than the standard oil thermostat (at 85 degrees Celsius) and will keep the temperature stable between 95 and 105 degrees Celsius. Installing the MSL thermostat ensures a cooler oil temperature which will result in more stable performance, but above all this improves the reliability of the engine. It is recommended to install the thermostat, especially for cars that are tuned. The Thermostat is plug-and-play and made out of a solid block of high-grade aluminum at our own facility. It is equipped with a real thermostat, not an always open solution. The oil will still reach the operating temperature at the same time as a stock thermostat Features Include: 20�C/68F Lower Than Stock Rock Solid Housing - CNC machined housing. Real Thermostat - Equipped with a real thermostat, not an always open solution. For use in hot and cold climates Quick Installation - Takes only 30 minutes to install.
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Thermostat Assembly
10X Entries Into Our F80 M3 Sweepstakes
Bavarian Autosport - Corporate Logo
T#:15511823
Part#: 11537598865
In Stock
Sale - Save 10% $ 78.99

This product was last offered at the strikethrough price on
08-11-2026

$ 71.09 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 78.99

This product was last offered at the strikethrough price on
08-11-2026

$ 71.09 USD
Free Shipping on orders $49 and up
Replace your thermostat housing at any signs of leaks or premature failure. Includes housing. Does not include a housing gasket.
Genuine BMW - Corporate Logo
T#:36100
Part#: 11537598865
In Stock
16% off MSRP $ 194.95

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

$ 163.95 USD
Free Shipping
16% off MSRP
$ 194.95

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

$ 163.95 USD
Free Shipping
Engine running a little hot or is the temp gauge not telling you anything? The thermostat might be the likely problem. Many cooling issues start with the thermostat. This is electronically controlled by the engine computer based on the cooling demands of the engine. And cooling components are working harder than ever. Engine performance is also dependant on temperature - as temperatures rise and pass a certain threshold the engine computer will begin reducing power. Stay on top of your cooling maintenance by replacing critical components preventatively.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
2014+ F22 BMW M235i M235i xDrive
2014+ F23 BMW M235i
2012+ F30 BMW 335i 335i xDrive - Sedan
2013+ F32 BMW 435i 435i xDrive - Coupe
2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible
2014+ F34 BMW 335i xDrive GT - Gran Tourismo
2014+ F36 BMW 435i Gran Coupe 435i xDrive Gran Coupe
2014+ F15 BMW X5 sDrive35i X5 xDrive35i
2015+ F16 BMW X6 sDrive35i X6 xDrive35i
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BMW N20 2.0L Thermostat With Housing
10X Entries Into Our F80 M3 Sweepstakes
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
Free Shipping on orders $49 and up
Sale - Save 20%
$ 67.99

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

$ 54.39 USD
Free Shipping on orders $49 and up

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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Genuine BMW - Thermostat with housing and gasket - 11537644811 ...
For vehicles with the Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines
Genuine BMW - Corporate Logo
T#:539226
Part#: 11537644811
In Stock
8% off MSRP $ 602.99

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

$ 552.00 USD
Free Shipping
8% off MSRP
$ 602.99

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

$ 552.00 USD
Free Shipping
11537644811 - Thermostat with housing and gasket. The thermostat controls the flow of coolant based on temperatures in the engine. This is a crucial component to your cooling system and making sure your car is operating properly.
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Genuine BMW - Corporate Logo
T#:222844
Part#: 11537642854
Ships in 2 Business Days
8% off MSRP $ 603.99

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

$ 552.99 USD
Free Shipping
8% off MSRP
$ 603.99

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

$ 552.99 USD
Free Shipping
Genuine Bmw Heat Management Module - 11537642854

Genuine BMW - Corporate Logo
T#:546143
Part#: 11538606278
Ships in 2 Business Days
8% off MSRP $ 84.99

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

$ 77.99 USD
Free Shipping
8% off MSRP
$ 84.99

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

$ 77.99 USD
Free Shipping
Hose coming off the small fitting on the thermostat. Replacement coolant hose for damaged or worn items. Dont forget to change all associated parts when doing a cooling service, or to fix a leak.
Genuine BMW - Corporate Logo
T#:367096
Part#: 11538635689
Ships in 3 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#:35863148
Part#: 11518638026KT
In Stock
$ 763.99 USD
Free Shipping on orders $49 and up
$ 763.99 USD
Free Shipping on orders $49 and up
The cooling system has always been a weak point for BMW. Two of the biggest issues are the water pump and thermostat. This continues to be true even on the newest B-Series engines found in 2016+ BMWs. This kit includes a brand new Genuine BMW water pump, a new thermostat (now referred to as a Heat Management Module), and 1 gallon of BMW's G48 coolant concentrate (makes 2 gallons of 50/50 coolant). Don't spend thousands of dollars at the dealership, these can easily be replaced in an afternoon with basic mechanic's tools.
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Genuine BMW - Corporate Logo
T#:222845
Part#: 11538658571
In Stock
7% off MSRP $ 14.99

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

$ 13.99 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 14.99

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

$ 13.99 USD
Free Shipping on orders $49 and up
Gasket that goes between the thermostat and radiator return pipe. Gaskets and seals are a wear item that should be replaced in conjunction with associated parts.
Genuine BMW - Corporate Logo
T#:526204
Part#: 11538658572
In Stock
$ 8.99 USD
Free Shipping on orders $49 and up
O ring that seals the thermostat to the coolant pump. New seals are a must when doing any repairs.
Genuine BMW - Corporate Logo
T#:545300
Part#: 11538630023
Ships in 2 Business Days
6% off MSRP $ 329.99

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

$ 309.99 USD
Free Shipping
6% off MSRP
$ 329.99

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

$ 309.99 USD
Free Shipping
Coolant pipe that runs from the thermostat next to the engine block. Make sure your cooling system is working properly and leak free. When your in the tight spaces doing a service it makes sense to change all associated parts.
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Genuine BMW - Corporate Logo
T#:27372127
Part#: 11537642854KT3
Ships in 2 Business Days
$ 608.99

This product was last offered at the strikethrough price on
08-07-2026

$ 588.99 USD
Free Shipping on orders $49 and up
$ 588.99 USD
Free Shipping on orders $49 and up

Restore your engine's coolant flow control with this Genuine BMW Heat Management Module (HMM) replacement kit, designed for BMW B58 engines.

Key Features:

Advanced coolant flow control with an electronically controlled rotary valve Rapid engine warmup for optimal performance in various driving conditions Precise temperature management to prevent overheating Includes sealing o-rings, hardware, and gaskets for a secure installation Compatible with BMW B58 engines for seamless integration How to Identify a Faulty Heat Management Module:

Engine overheating due to a stuck rotary valve in the "rapid warmup" position Failure to reach the operating temperature Fault codes 20F220, 20F206, 20A704 indicating potential HMM issues Don't compromise on engine performance. Replace your Heat Management Module today for optimal cooling and efficiency.

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Genuine BMW - Corporate Logo
T#:27372125
Part#: 11537642854KT
Ships in 2 Business Days
$ 599.99

This product was last offered at the strikethrough price on
08-07-2026

$ 580.99 USD
Free Shipping on orders $49 and up
$ 580.99 USD
Free Shipping on orders $49 and up

Restore your engine's coolant flow control with this Genuine BMW Heat Management Module (HMM) replacement kit, designed for BMW B58 engines.

Key Features:

Advanced coolant flow control with an electronically controlled rotary valve Rapid engine warmup for optimal performance in various driving conditions Precise temperature management to prevent overheating Includes sealing o-rings, hardware, and gaskets for a secure installation Compatible with BMW B58 engines for seamless integration How to Identify a Faulty Heat Management Module:

Engine overheating due to a stuck rotary valve in the "rapid warmup" position Failure to reach the operating temperature Fault codes 20F220, 20F206, 20A704 indicating potential HMM issues Don't compromise on engine performance. Replace your Heat Management Module today for optimal cooling and efficiency.

Show More Show Less
Mosselman Turbosystems - Corporate Logo
T#:50101777
Part#: 30210057
Ships in 7 Business Days
$ 399.00 USD
Free Shipping on orders $49 and up
The N55 engine is no stranger to oil cooling problems, that’s why we recommend installing the MSL Oil Thermostat. The standard oil thermostat will reach around 120 degrees Celsius with a normal driving style. The MSL Oil Thermostat will open at a lower temperature than the standard oil thermostat (at 85 degrees Celsius) and will keep the temperature stable between 95 and 105 degrees Celsius. Installing the MSL thermostat ensures a cooler oil temperature which will result in more stable performance, but above all this improves the reliability of the engine. It is recommended to install the thermostat, especially for cars that are tuned.
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 Sep 21, 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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Febi - Corporate Logo
T#:55857769
Part#: 11537598865
Special Order: No Guaranteed ETA
New Item
$ 68.99 USD
$ 68.99 USD
This replacement thermostat from Febi Bilstein ensures your cooling system regulates precisely at the proper factory temperature parameters.