Mishimoto has developed a direct-fit replacement thermostat for the BMW M52, M54, and M56 engines. This Mishimoto thermostat is the ideal replacement for your failed stock thermostat. Our thermostat comes pre-installed in a durable OEM-quality housing and fits many BMWs including E46, E39, and E85 chassis. Like all Mishimoto cooling products, this BMW M52, M54, and M56 thermostat is backed by our Mishimoto Lifetime Warranty.

What's Included:

• Mishimoto BMW M52/M54/M56 Racing Thermostat w/ Housing - 97 Deg. C

Vehicle Fitment:

• 2000 BMW 323Ci Base
• 1999-2000 BMW 323i Base
• 1999 BMW 323is Base
• 2001-2006 BMW 325Ci Base
• 2001-2005 BMW 325i Base
• 2001-2005 BMW 325xi Base
• 2000 BMW 328Ci Base
• 1999-2000 BMW 328i Base
• 1999 BMW 328is Base
• 2001-2006 BMW 330Ci Base
• 2001-2006 BMW 330i Base
• 2001-2005 BMW 330xi Base
• 2001-2005 BMW 525i Base
• 1999-2000 BMW 528i Base
• 2001-2005 BMW 530i Base
• 2001-2006 BMW X5 4.4i
• 2001-2006 BMW X5 3.0i
• 2002-2006 BMW X5 4.6is
• 1999-2002 BMW Z3 Roadster
• 1999-2002 BMW Z3 M Roadster
• 1999-2002 BMW Z3 Coupe
• 1999-2002 BMW Z3 M Coupe
• 2003-2006 BMW Z4 3.0i
• 2006 BMW Z4 M Coupe
• 2003-2006 BMW Z4 2.5i
• 2006 BMW Z4 Roadster 3.0si
• 2006 BMW Z4 Coupe 3.0si
• 2004-2006 BMW X3 3.0i
• 2004-2005 BMW X3 2.5i