Water temperature sensor

For Saloon & Touring (Estate):
- 316i M43 105 hp
- 316i N40, N42, N45 and N46 115 hp
- 318i M43 118 hp
- 318i N42 & N46 143 & 150 hp
- 320i M52 & M54 150 & 170 hp
- 323i M52 170 hp
- 325i/ix M54 192 hp
-328i M52 193 hp
- 330i/xi M54 231 hp

For Cabriolet:
- 318ci N42 & N46 143 & 150 hp
- 320ci M52 & M54 150 hp & 170 hp
- 323ci M52 170 hp
- 325ci M54 192 hp
- 330ci M54 231 hp
- M3 S54 343 & 360 hp

For Compact:
All except 318td and 320td

For Coupé:
All except 320cd and 330cd Located on the radiator return hose towards the thermostat