BMW Thermostats for BMW Z3 (1996-2002)

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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#:554073
Part#: 11537509227KT3
Ships on Feb 26, 2027
$ 103.99 USD
Free Shipping
$ 103.99 USD
Free Shipping

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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URO Aluminum Thermostat Housing - E34 E36 Z3 M50/52 S50/52
For vehicles with production date up to 09/1998
2X Entries Into Our F80 M3 Sweepstakes
URO Premium - Corporate Logo
T#:14587
Part#: 11531722531
In Stock
$ 21.99 USD
Free Shipping on orders $49 and up
$ 21.99 USD
Free Shipping on orders $49 and up
The plastic thermostat cover in your BMW is a known point of failure. Throughout the years of repeated contact with hot coolant, the plastic can crack and cause massive coolant leaks and potential overheating. Eliminate one of the weak links in your cooling system with a replacement aluminum thermostat housing. By installing this aluminum unit, you have no worries as far as plastic housing cracks go. This is the last thermostat housing you will need to put on your vehicle.
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URO Thermostat Assembly With Aluminum Housing
For vehicles with production date from 09/1998
2X Entries Into Our F80 M3 Sweepstakes
URO Premium - Corporate Logo
T#:37858365
Part#: 11537509227PRM
In Stock
$ 89.99 USD
Free Shipping on orders $49 and up
$ 89.99 USD
Free Shipping on orders $49 and up
Get rid of the brittle plastic OEM thermostat housing when replacing the thermostat with this Aluminum Housing alternative! Comes with thermostat and gasket.

Rein Thermostat - 88�C - E30, E34, E36, Z3
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:591800
Part#: 11537511580
In Stock at Vendor
Sale - Save 5% $ 37.99

This product was last offered at the strikethrough price on
08-31-2026

$ 36.09 USD
Free Shipping on orders $49 and up
Sale - Save 5%
$ 37.99

This product was last offered at the strikethrough price on
08-31-2026

$ 36.09 USD
Free Shipping on orders $49 and up
Common point of failure in the cooling system.

Thermostat With Housing
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:582356
Part#: 11537509227
Ships in 3 Business Days
Sale - Save 5% $ 89.99

This product was last offered at the strikethrough price on
08-31-2026

$ 85.49 USD
Free Shipping
Sale - Save 5%
$ 89.99

This product was last offered at the strikethrough price on
08-31-2026

$ 85.49 USD
Free Shipping
Stop leaks before they start with this new Thermostat With Housing from Rein.
Rein - Corporate Logo
T#:591144
Part#: 11531265084
In Stock at Vendor
Sale - Save 5% $ 2.05

This product was last offered at the strikethrough price on
08-31-2026

$ 1.95 USD
Free Shipping on orders $49 and up
Sale - Save 5%
$ 2.05

This product was last offered at the strikethrough price on
08-31-2026

$ 1.95 USD
Free Shipping on orders $49 and up
This O-ring seals the thermostat to the cylinder head.

Rein Thermostat - 92C
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:34114254
Part#: 11537511083
In Stock
Sale - Save 5% $ 11.99

This product was last offered at the strikethrough price on
08-31-2026

$ 11.39 USD
Free Shipping on orders $49 and up
Sale - Save 5%
$ 11.99

This product was last offered at the strikethrough price on
08-31-2026

$ 11.39 USD
Free Shipping on orders $49 and up

Rein Thermostat 92C is an essential component designed to regulate the temperature in BMW engines, ensuring the vehicle runs at optimal performance while preventing overheating. Engineered to open at 92°C, this high-quality thermostat allows for precise coolant flow, keeping the engine at the correct temperature for maximum efficiency. Available at Turner Motorsport, the Rein Thermostat 92C is designed specifically for BMW vehicles, offering a direct-fit replacement that ensures easy installation and reliable operation.

  • Opens at 92°C for precise temperature regulation
  • Designed specifically for BMW engines for perfect fit and compatibility
  • Prevents engine overheating and helps protect critical engine components
  • Enhances overall engine efficiency and performance
  • Manufactured from durable materials for long-lasting reliability
  • Direct-fit replacement for easy installation

The Rein Thermostat 92C is the ideal solution for BMW owners who want to ensure their vehicle’s engine operates efficiently and reliably, providing optimal temperature control and enhanced performance.

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Elring Thermostat O-Ring - BMW S54 3.2L
2X Entries Into Our F80 M3 Sweepstakes
Elring - Corporate Logo
T#:45278657
Part#: 293.300
Special Order: No Guaranteed ETA
$ 3.99 USD
Free Shipping on orders $49 and up
Seals the thermostat and thermostat housing to the water pump Replaces BMW # 11531318402

Elring Thermostat Gasket - BMW M44 1.9L
2X Entries Into Our F80 M3 Sweepstakes
Elring - Corporate Logo
T#:45244504
Part#: 743.390
Special Order: No Guaranteed ETA
$ 7.99 USD
Free Shipping on orders $49 and up
This gasket prevents the coolant from leaking between the thermostat housing and the engine connection. If your gasket is cracked, replace it with this Elring gasket to prevent further coolant leaks.
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