Coolant Temperature Sensor/Switch (For Computer): Service and Repair

13 62 531 Replacing Coolant Temperature Sensor (N55)







WARNING:
Risk of scalding.
Only perform this repair work on an engine that has cooled down.







Recycling
Catch and dispose of escaping coolant.
Observe country-specific waste disposal regulations.







Necessary preliminary work:
- Read out the fault memory of the DME control unit.
- Switch off ignition.
- Remove ignition coil cover.





NOTE: Coolant temperature sensor is mounted on cylinder head at front.







Release connector (1) and remove.
Unfasten coolant temperature sensor (2).

Installation note:
Tightening torque 13 62 5AZ.

If necessary, top up coolant.
Check cooling system for leaks.







NOTE:
Check stored fault messages.
Delete fault memory.