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Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 972 (Fuel System - Repair (N51)) >> Sensor For Control Unit >> 13 62 532 Replacing radiator outlet coolant temperature sensor (N51)

13 62 532 Replacing radiator outlet coolant temperature sensor (N51)

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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.

Disconnect plug (1) from temperature sensor.

Fig 1: Disconnecting Plug From Temperature Sensor
G04774040Courtesy of BMW OF NORTH AMERICA, INC.

Press retaining clips (1) together.

Remove temperature sensor (2) in direction of arrow.

Fig 2: Identifying Temperature Sensor And Retaining Clips
G04774041Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.

Check cooling system  for leaks. See 17 00 009 CHECKING COOLING SYSTEM FOR WATER LEAKS .

Check coolant level and top up if necessary.