13 62 531 Replacing Engine Coolant Temperature Sensor (N73)

Necessary Preliminary Tasks: 

• Read out fault memory of DME control unit.
• Switch off ignition.
• Remove design cover.

Recycling 

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

Disconnect plug (1) from temperature sensor.

Release temperature sensor (2).

Tightening torque, refer to 13 62 2AZ in FUEL SYSTEM - TIGHTENING TORQUES .

Fig 1: Plug And Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.

Check cooling system for leaks. Refer to 17 00 009 CHECKING COOLING SYSTEM FOR LEAKS (N73) .

If necessary, top up coolant, refer to 17 00... INSTRUCTIONS FOR WORKING ON COOLING SYSTEM .