BMW Thermostats for BMW Z3 (1996-2002)

Clear BMW chassis

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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Thermostat Replacement Kit - E39 E46 E60 E53 Z3 Z4 With M54, M52TU En...

10X Entries Into Our F80 M3 Sweepstakes

T#:554073

Part#: 11537509227KT3

Ships on Feb 24, 2027

$ 103.99 USD

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$ 103.99 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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Aluminum Thermostat Housing - E34, E36, Z3

Up to production date 09/1998

10X Entries Into Our F80 M3 Sweepstakes

T#:579865

Part#: 54402

In Stock

Sale - Save 22% $ 25.99

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

$ 20.39 USD

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Sale - Save 22%

$ 25.99

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

$ 20.39 USD

Add to Wish List

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.

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