The Mishimoto Racing Thermostat is engineered for drivers who demand more from their engines. High temperatures are the enemy of performance, and with this upgrade, your engine stays cool, efficient, and always ready for action. Whether you're ripping through track days, dominating backroads, or just want better reliability for daily driving, this thermostat is designed to open sooner than stock, allowing coolant to flow earlier and more efficiently. By keeping engine temperatures lower, you’ll experience stronger, more consistent power delivery, reduced stress on engine components, and improved long-term reliability.
Fitment Information
- BMW 1 SERIES M 3.0L (2011)
- BMW 128i 3.0L (2008, 2009, 2010, 2011, 2012, 2013)
- BMW 135i 3.0L (2008, 2009, 2010, 2011, 2012, 2013)
- BMW 325i / 325xi 2.5L/3.0L (2004, 2005, 2006)
- BMW 328i 3.0L (2007, 2008, 2009, 2010, 2011, 2012, 2013)
- BMW 328xi 3.0L (2007, 2008)
- BMW 330i / 330xi 3.0L (2005, 2006)
- BMW 335i 3.0L (2007, 2008, 2009, 2010, 2011, 2012, 2013)
- BMW 335is 3.0L (2011, 2012, 2013)
- BMW 335xi 3.0L (2007, 2008)
- BMW 525i 2.5L/3.0L (2004, 2005, 2006, 2007)
- BMW 525xi 3.0L (2006, 2007)
- BMW 528i 3.0L (2008, 2009, 2010)
- BMW 528xi 3.0L (2008)
- BMW 530i 3.0L (2005, 2006, 2007)
- BMW 530xi 3.0L (2006, 2007)
- BMW X1 3.0L (2013, 2014)
- BMW X3 3.0i/3.0si 3.0L (2006, 2007, 2008)
- BMW X5 3.0L (2011, 2012, 2013)
- BMW X6 3.0L (2011, 2012, 2013)
- BMW Z4 3.0i/ COUPE 3.0Si/ SDRIVE30i/ SDRIVE35i/SDRIVE35is 3.0L (2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014)
Note
- Vehicle must be equipped with stock plastic thermostat housing in order to install this thermostat. If the car still has a metal thermostat housing, BMW 11537549476 or BMW 11537601158 must be purchased in order to install thermostat.
- The metal pin must be carefully removed from the Mishimoto thermostat with pliers before installed into plastic thermostat housing.
Specs & Features
- Activates at a lower temperature so coolant flows through system earlier
- Allows for cooler engine temperatures
- Mishimoto Lifetime Warranty
- Activation Temp (Fahrenheit): 165°F
- Purchase Includes
- (1) Mishimoto Thermostat
- (2) O-rings
- Mishimoto Lifetime Warranty
Install Torque Specs
- 7 ft/lbs for the three T30 bolts which secure the plastic housing components
Product Description
The Mishimoto Racing Thermostat is your engine’s first line of defense against heat soak, power loss, and unnecessary wear. Designed to open earlier than stock thermostats, it allows coolant to circulate sooner and more efficiently, keeping temperatures in check when you need it most. Whether you're ripping through track days, pushing high-performance mods, or simply looking for better cooling efficiency, this upgrade ensures consistent power, reduced engine stress, and improved longevity—so you can drive harder without compromise.
Precision-engineered for maximum cooling performance, this thermostat is a direct-fit replacement that installs seamlessly with no modifications required. Constructed from durable, high-quality materials and tested under extreme conditions, it’s built to handle spirited driving, heavy loads, and high temperatures with ease. Backed by the Mishimoto Lifetime Warranty, this is a proven cooling solution trusted by racers and enthusiasts worldwide. If you’re serious about maximizing performance and protecting your engine, it’s time to upgrade to the Mishimoto Racing Thermostat—because a cooler engine is a stronger engine.
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