The Mishimoto racing thermostat for the 135i / 335i will promote greater cooling efficiency throughout your engine ! Once the engine is fully warmed up the Mishimoto racing thermostat will open up at a lower temperature than standard thermostats, allowing the coolant to flow through the engine sooner thus reducing and maintaining cooler engine temperatures !
Direct bolt on
Opens at 74°C vs 97°C (oem)
Mishimoto lifetime warranty
- Only for vehicle equipped with stock plastic thermostat housing -
|BMW||1 Series||E8x - 08-13||135i - 306|
|BMW||1 Series||E8x - 08-13||1M - 340|
|BMW||3 Series||E9x - 06-13||335i - 306|