BMW Thermostats for BMW X Series E83 (2004-2010)

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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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Packaged by Turner - Corporate Logo
T#:17073598
Part#: 11537549476KT
In Stock
Sale - Save 35% $ 444.99
$ 287.55 USD
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Sale - Save 35% $ 444.99
$ 287.55 USD
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Includes everything you may need to replace your water pump and thermostat.
Packaged by Turner - Corporate Logo
T#:5376274
Part#: 11517586925TKT
In Stock
Sale - Save 35% $ 471.99
$ 306.31 USD
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Sale - Save 35% $ 471.99
$ 306.31 USD
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Everything you need to replace your water pump and thermostat. The water pumps in these BMW models are known for failure near 80,000 miles is a very common issue often times leaving the owner stranded. The aftermarket kit offered provides a single stop for water pump and thermostat replacement needs to save the search and get you back on the road. Kit includes: Mahle-Behr thermostat Water pump Genuine BMW coolant thermostat to water pump hose Mounting hardware required for both the thermostat and water pump
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Packaged by Turner - Corporate Logo
T#:554073
Part#: 11537509227KT3
Ships Dec 18, 2025
$ 81.99 USD
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$ 81.99 USD
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When it comes time to replace your thermostat, be sure you have everything you need. This kit includes everything you need to replace your thermostat, including the thermostat.

Kit includes:

  • Mahle-Behr thermostat with gasket
  • Thermostat mounting hardware
  • 1 liter of coolant

Applications:
1999-2003 E39 528i, 525i, 530i sedan, touring wagon (M52TU engine, M54 engine)
1999-2005 E46 323, 328, 325, 330 sedan, coupe, cabrio, touring wagon (M52TU engine, M54 engine)
2004-2005 E60 525i, 530i sedan, touring wagon (M54 engine)
2001-2006 E53 X5 3.0 (M54 engine)
2004-2006 E83 X3 2.5i X3 3.0i (M54 engine)
1999-2002 Z3 2.3. Z3 2.5i, 2.8 Z3 3.0i (M54 engine)
2003-2005 Z4 2.5i, Z4 3.0 (M54 engine)

 

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Wahler - Corporate Logo
T#:341054
Part#: 11537509227
In Stock
$ 49.99 USD
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$ 49.99 USD
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Stop leaks before they start with this new Thermostat With Housing from Wahler. Despite the fact that most BMW models are brilliant, most have common issues that can plague you during your ownership of the car. This part is one of those issues, as they are known to crack over time. This replacement part is perfect stop a crack and possibly a leak before it starts.
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Wahler - Corporate Logo
T#:360363
Part#: 11537549476
In Stock
$ 95.99 USD
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$ 95.99 USD
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If your vehicle is experiencing cooling issues, chances are the thermostat is the cause. Common symptoms include a 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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Genuine BMW - Corporate Logo
T#:360689
Part#: 11537509227
In Stock
Sale - Save 5% $ 161.76
$ 153.67 USD
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Sale - Save 5% $ 161.76
$ 153.67 USD
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Genuine BMW - Corporate Logo
T#:348485
Part#: 17111437362
Ships in 1 day
5% off MSRP $ 100.99
$ 95.99 USD
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5% off MSRP $ 100.99
$ 95.99 USD
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Ensure optimal performance and temperature regulation in your BMW's automatic transmission with the Turner Motorsport Genuine Automatic Transmission Thermostat, part number 17111437362. This thermostat serves as a crucial component of the heat exchanger system, maintaining proper fluid temperatures for smooth transmission operation. Typically replaced during expansion tank maintenance, this Genuine BMW part guarantees reliability and compatibility with your vehicle.

Key Benefits:

  • Genuine BMW quality assurance
  • Maintains proper transmission fluid temperatures
  • Ensures smooth transmission operation
  • Direct replacement for OEM thermostat
  • Compatible with expansion tank replacement
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Bremmen Parts - Corporate Logo
T#:26494584
Part#: 11537509227
In Stock
$ 56.99 USD
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$ 56.99 USD
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Bremmen Parts - Corporate Logo
T#:15511826
Part#: 11537549476
In Stock
$ 79.99 USD
Free Shipping on orders $49 and up
Overheating your N52 or N54 engine can be detrimental to the longevity of your engine. We also recommend replacing your hardware 07119903851 x2

Genuine BMW - Corporate Logo
T#:360694
Part#: 11537549476
In Stock
Sale - Save 5% $ 160.42
$ 152.40 USD
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Sale - Save 5% $ 160.42
$ 152.40 USD
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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 from the engine. And cooling components are working harder than ever. Engine performance is also dependent 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. This replacement thermostat fits many of the N51 N52 N53 N54 6 cylinder engines and is an OEM Behr part.  

The thermostat is located along with the water pump on the side of the engine. To gain access for removal you may need to remove the water pump as well. If the water pump is removed you MUST replace its mounting bolts. You can add them from the options below. We also have a bundled package that includes the water pump, mounting screws, connecting hose, and clamps if you want to replace everything together (recommended).  

For the following BMW engines:
N54 N52

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Wahler - Corporate Logo
T#:374361
Part#: N524TSTKT1
In Stock
$ 111.99 USD
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$ 111.99 USD
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Genuine BMW - Corporate Logo
T#:367704
Part#: 11537509357
Ships in 1 day
14% off MSRP $ 8.78
$ 7.51 USD
Free Shipping on orders $49 and up
14% off MSRP $ 8.78
$ 7.51 USD
Free Shipping on orders $49 and up
Needs to be replaced once removed