Motorsport Thermostat - 55 C - E46 M3
- Mfg Part #
- Turner Part #
on orders $200 and up
E46M3 Motorsport Thermostat 55C (Also fits Euro E36 M3 engine) A Genuine BMW part this thermostat opens at a much lower temperature than stock to keep your S54 engine (or Euro S50/S52 engine) running cooler in race applications.