13 62 532 Replacing Radiator Outlet Coolant Temperature Sensor (N73)

Necessary preliminary tasks: 

• Remove intake muffler housing.

Only perform these tasks on an engine that has cooled down.

Recycling 

Catch and dispose of escaping coolant.

Observe country-specific waste-disposal regulations.

Disconnect plug (1) from temperature sensor.

Fig 1: Disconnecting Plug From Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Press retaining clips (1) together.

Remove temperature sensor (2) in direction of arrow.

Fig 2: Removing Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.

Check cooling system for leaks. 

If necessary, top up coolant, BMW Service Operating Fluids MG17.  See FUEL SYSTEM - OPERATING FLUIDS