13 62 531 Replacing coolant temperature sensor (N55)

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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. See 12 00..... REMOVING AND INSTALLING/REPLACING IGNITION COIL COVER (N55) .

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. See 17 00 008 DRAINING AND TOPPING UP COOLANT (N20, N55, N52T, N47 D20 O 1, N57 D30 O/T 1, B47) .

Check COOLING SYSTEM for leaks.

Fig 1: Identifying Connector And Coolant Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Check stored fault messages.
Delete fault memory.