M54 Temperature sensor

Zedebee

Veteran
 North Hampshire
There are quite a lot of sensors on the front of the engine. Which one (where, physically, on the car) is the sensor that feeds the temperature gauge in the instrument cluster, please?
 
It sits in a couple of places- never really figured out why they differ (auto/manual etc)

It either sits on the radiator pipe just below where the vanos sits or at the base of the same pipe closer to the rad
 
bigwinn said:
It sits in a couple of places- never really figured out why they differ (auto/manual etc)

It either sits on the radiator pipe just below where the vanos sits or at the base of the same pipe closer to the rad
OK, just below the VANOS on mine. Will it gush coolant if I take it out or do I need to drain down the system again?
 
Zedebee said:
bigwinn said:
It sits in a couple of places- never really figured out why they differ (auto/manual etc)

It either sits on the radiator pipe just below where the vanos sits or at the base of the same pipe closer to the rad
OK, just below the VANOS on mine. Will it gush coolant if I take it out or do I need to drain down the system again?
You’ll lose a little but not that much
 
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