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BMW Thermostats

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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Mahle - Corporate Logo
T#:341209
Part#: 11537835558
Ships in 1 Business Day
$ 74.00

This product was last offered at the strikethrough price on
06-05-2026

$ 61.49 USD
Free Shipping on orders $49 and up
$ 61.49 USD
Free Shipping on orders $49 and up
Includes sealing o-ring
Genuine MINI - Corporate Logo
T#:393397
Part#: 11538674895
In Stock
19% off MSRP $ 212.67

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
19% off MSRP
$ 212.67

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

This Genuine MINI part is typically referred to as the thermostat neck / housing, this part mounts on the highest point on the head and controls the flow back to the pressure tank. Cracking, which usually occurs around the gasket seal and leaks, are symptoms that it’s worn out. Up to 7/2012 production will need adapter   12518611289  .   Production  7/2012 - 2/2013 will need adapter  12518614952 .  2/2013 + need no adapter. 

This is usually found by a blue coolant pooling on top of the transmission housing leaking from the thermostat itself. You will need to replace this asap as you can overheat and cook the engine. 

This kit includes:

  • Profile gasket
  • O-ring
  • Vent screw
  • Two seals and a bleeder screw
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Genuine MINI - Corporate Logo
T#:20682
Part#: 12517646145
In Stock
2% off MSRP $ 50.18

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

$ 48.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 50.18

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

$ 48.99 USD
Free Shipping on orders $49 and up
Genuine MINI ADAPTER LEAD 12517646145
Fits BMW Engines including:
N14,N16


Genuine MINI - Corporate Logo
T#:546869
Part#: 11538699290
In Stock
15% off MSRP $ 243.36

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

$ 205.96 USD
Free Shipping
15% off MSRP
$ 243.36

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

$ 205.96 USD
Free Shipping

Mahle - Corporate Logo
T#:567822
Part#: 11538674895
Ships in 1 Business Day
$ 181.30 USD
Free Shipping
$ 181.30 USD
Free Shipping
Mahle - Corporate Logo
T#:594781
Part#: 11537605431
Ships in 2 Business Days
$ 128.36 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.
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Mahle - Corporate Logo
T#:594783
Part#: 11537550172
Ships in 2 Business Days
$ 135.68

This product was last offered at the strikethrough price on
09-01-2026

$ 135.00 USD
Free Shipping
$ 135.00 USD
Free Shipping
Overheating your N52 or N54 engine can be detrimental to the longevity of your engine.
Genuine MINI - Corporate Logo
T#:186565
Part#: 13628602086
In Stock
10% off MSRP $ 56.47

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

$ 50.99 USD
Free Shipping on orders $49 and up
10% off MSRP
$ 56.47

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

$ 50.99 USD
Free Shipping on orders $49 and up
Genuine Mini Temperature Sensor
Fits BMW Engines including:
N16,N18


Genuine MINI - Corporate Logo
T#:174393
Part#: 13628603908
Ships in 4 Business Days
$ 37.61 USD
Free Shipping on orders $49 and up
Genuine MINI TEMPERATURE SENSOR, COOLANT

Mahle - Corporate Logo
T#:12476
Part#: 11537511083
Ships in 8 Business Days
$ 29.99

This product was last offered at the strikethrough price on
05-22-2026

$ 27.65 USD
Free Shipping on orders $49 and up
$ 27.65 USD
Free Shipping on orders $49 and up
OEM BMW THERMOSTAT:115040
Mahle - Corporate Logo
T#:594727
Part#: 11531713040
Ships on Sep 18, 2026
$ 35.99 USD
Free Shipping on orders $49 and up
The thermostat on your vehicle controls the flow of coolant based on temperature. When you just start your engine, the thermostat remains closed to accelerate the warm up process. After a few minutes, it opens up to allow the warm fluid to flow. If your vehicle is overheating but not blowing warm air from the heater, the problem is more than likely your thermostat.
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Mahle - Corporate Logo
T#:594737
Part#: 11531254065
Back Ordered
$ 22.99

This product was last offered at the strikethrough price on
05-07-2026

$ 21.99 USD
Free Shipping on orders $49 and up
$ 21.99 USD
Free Shipping on orders $49 and up
The thermostat on your vehicle controls the flow of coolant based on temperature. When you just start your engine, the thermostat remains closed to accelerate the warm up process. After a few minutes, it opens up to allow the warm fluid to flow. If your vehicle is overheating but not blowing warm air from the heater, the problem is more than likely your thermostat.
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Genuine MINI - Corporate Logo
T#:574394
Part#: 11537534521KT3
In Stock
$ 232.99 USD
Free Shipping
$ 232.99 USD
Free Shipping

Genuine MINI Thermostat Replacement Kit is designed to prevent cooling issues before they arise, ensuring optimal performance for your BMW or MINI. This comprehensive kit includes all the critical components commonly known to fail, as identified by experts in the industry. With Genuine MINI parts included, this kit offers peace of mind for drivers with high-mileage vehicles or those needing replacements.

By replacing your thermostat and related components, you can help maintain your vehicle's cooling system and prevent overheating. This kit includes a thermostat with housing and three genuine OEM thermostat housing bolts, providing everything needed for a complete and effective replacement.

  • Prevents cooling issues, ensuring optimal engine performance
  • Comprehensive kit includes all critical components known to fail
  • Features Genuine MINI parts for reliable quality and fit
  • Ideal for high-mileage vehicles needing maintenance
  • Includes thermostat with housing and OEM bolts for easy installation
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Genuine MINI - Corporate Logo
T#:557480
Part#: 11538674895KT
In Stock
$ 198.99 USD
Free Shipping
$ 198.99 USD
Free Shipping

This Genuine MINI Kit part is to prevent cooling issues before they begin with a Thermostat Replacement Kit. The experts at Turner have identified all of the common parts that fail on a MINI and included them all in this convenient kit.

If your MINI has high miles or needs one of these unit replaced its a little insurance to replace all the critical components. (Included in this kit are all Genuine MINI parts.)

This is usually found by a blue coolant pooling on top of the transmission housing leaking from the thermostat itself. You will need to replace this asap as you can overheat and cook the engine. 

 

Up to 7/2012 production will need adapter  12518611289 .   Production  7/2012 - 2/2013 will need adapter  12518614952  2/2013 + need no adapter. 

Show More Show Less
Genuine MINI - Corporate Logo
T#:178205
Part#: 12518614952
In Stock
5% off MSRP $ 61.99

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

$ 59.00 USD
Free Shipping on orders $49 and up
5% off MSRP
$ 61.99

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

$ 59.00 USD
Free Shipping on orders $49 and up
Genuine MINI THERMOSTAT ADAPTER
Fits BMW Engines including:
N14,N16,N18


Genuine MINI - Corporate Logo
T#:19202
Part#: 11531486703
In Stock
$ 29.99 USD
Free Shipping on orders $49 and up
$ 29.99 USD
Free Shipping on orders $49 and up
Genuine MINI ENGINE RADIATOR CAP
Fits BMW Engines including:
W10


Mahle - Corporate Logo
T#:591826
Part#: 11539055588
Back Ordered
$ 28.99 USD
Free Shipping on orders $49 and up
$ 28.99 USD
Free Shipping on orders $49 and up
Stop your overheating problem.