13 62 531 Replacing coolant temperature sensor (N57 D30 U/O/T 0/1)

Special tools required: 

• 11 8 850

Necessary preliminary tasks: 

• Read out the fault memory of the DDE control unit.
• Switch off ignition.
• Remove ACOUSTIC COVER .

Recycling: 

Catch and dispose of escaping coolant.

Observe country-specific waste disposal regulations.

Release lock (1) with hook (2) and detach connector (3).

Fig 1: Detaching Coolant Temperature Sensor Connector

Courtesy of BMW OF NORTH AMERICA, INC.

Remove coolant temperature sensor (3) with special tool 11 8 850 .

Tightening torque 13 62 2AZ .

Check O-rings. Replace faulty O-rings.

If necessary, top up coolant.

Fig 2: Removing Coolant Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Delete fault memory.