BMW Thermostats for BMW X Series E53 (2000-2006)

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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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Performance Thermostat - 90C - N62, N63, S63, N73, S55
Performance Thermostat - 90C - N62, N63, S63, N73, S55
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:637061
Part#: 11537586885
In Stock
Sale - Save 20% $ 93.99

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

$ 75.06 USD
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Sale - Save 20%
$ 93.99

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

$ 75.06 USD
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Includes housing and sealing o-ring A thermostat that opens sooner promotes better cooling in your vehicle. Running a lower temperature thermostat will keep everything much cooler. Keeping the engine cooler will help reduce and improve the life of the seals in your engine, saving you time and money, while also helping to increase engine performance. A tune might be required to gain the most from this modification, as well as to get your car's ECU accustomed to seeing lower temperatures.
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Thermostat With Housing - 90C
Thermostat With Housing - 90C
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:598978
Part#: 11531436386
In Stock
Sale - Save 20% $ 93.99

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

$ 75.06 USD
Free Shipping
Add to Wish List
Sale - Save 20%
$ 93.99

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

$ 75.06 USD
Free Shipping
Add to Wish List
A thermostat that opens sooner promotes better cooling in your vehicle. Running a lower temperature thermostat will keep everything much cooler. Keeping the engine cooler will help reduce and improve the life of the seals in your engine, saving you time and money, while also help increase engine performance. A tune might be required to gain the most from this modification, as well as to get your car's ECU accustomed to seeing lower temperatures.
Show More Show Less
Thermostat With Housing
Thermostat With Housing
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:26494584
Part#: 11537509227
In Stock
Sale - Save 16% $ 60.99

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

$ 50.99 USD
Free Shipping on orders $49 and up
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Sale - Save 16%
$ 60.99

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

$ 50.99 USD
Free Shipping on orders $49 and up
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Motorsport Thermostat - 60C - Complete with Housing - M54 / M52tu
Motorsport Thermostat - 60C - Complete with Housing - M54 / M52tu ...
Genuine BMW Motorsport - Corporate Logo
T#:1171
Part#: TMS1171
Ships in 6 Business Days
$ 415.45 USD
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$ 415.45 USD
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This is a genuine BMW Motorsport part, designed specifically for BMW racing applications. We use this exact thermostat setup in our Championship-winning E46 330i race car. It is designed to be used on all M54 and M52TU double-VAN0S engines, as used in the 1999-2000 E46 323/328 and 2001-2005 E46 325/330. This 60 degree C (140 defrees F) thermostat comes complete with plastic thermostat housing. It does not use the plug and wiring for the stock DME so this should only be used with an aftermarket engine management system (Motec, Bosch, etc).

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.
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Thermostat With Housing - 105C
Thermostat With Housing - 105C
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:15511816
Part#: 11531436386
Ships in 8 Business Days
Sale - Save 4% $ 30.99

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

$ 29.67 USD
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Sale - Save 4%
$ 30.99

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

$ 29.67 USD
Free Shipping on orders $49 and up
Add to Wish List
A thermostat that opens sooner promotes better cooling in your vehicle. Running a lower temperature thermostat will keep everything much cooler. Keeping the engine cooler will help reduce and improve the life of the seals in your engine, saving you time and money, while also help increase engine performance. A tune might be required to gain the most from this modification, as well as to get your car's ECU accustomed to seeing lower temperatures.
Show More Show Less
Thermostat - 105C
Thermostat - 105C
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:15511827
Part#: 11537502779
Ships on Sep 23, 2026
Sale - Save 3% $ 46.99

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

$ 45.58 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 3%
$ 46.99

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

$ 45.58 USD
Free Shipping on orders $49 and up
Add to Wish List
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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