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 tasks

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

Variant for hot countries only:

Release screw (1).

Tightening torque 17 22 4AZ .

Remove engine oil pipe and set aside.

Catch and dispose of emerging engine oil.

Fig 1: Identifying Engine Oil Pipe Mounting Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock 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.

Fig 2: Identifying Coolant Temperature Sensor And Connector

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Check stored fault messages.
Delete fault memory.