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

13 62 531 - Replacing coolant temperature sensor (N62, N62TU)





Warning!
Danger of scalding!
Only perform these tasks on an engine that has cooled down.





Necessary preliminary tasks:
- Read out fault memory of DME control unit; if necessary, work through test schedules
- Switch off ignition
- E65 only. E66:
Remove design cover.





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





Coolant temperature sensor is mounted on water pipe at front.
Unlock plug (1) and remove.
Release temperature sensor (2).

Installation Note:
Tightening torque 13 62 2AZ 13 62 Senders for Control Unit.
Vent cooling system and check for leaks.
If necessary, top up coolant.





Note:
Now clear the fault memory.