13 62 531 Replacing coolant temperature sensor (N52/ N52K/ N53)

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

Recycling

Catch and dispose of escaping coolant.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks:

Read out fault memory of DME control unit
Switch off ignition
Remove intake duct

Coolant temperature sensor is mounted on cylinder head at front.

Unlock plug (1) and remove. Release temperature sensor (2).

Installation:

Tightening torque, 13 62 2AZ . See FUEL SYSTEM - TIGHTENING TORQUES .

If necessary, top up coolant .

Check cooling system for leaks. See COOLANT, CHECKING COOL.

Fig 1: Identifying Plug And Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Now clear the fault memory.