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Home >> BMW >> 2012 >> 528i >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - Repair >> Sensor For Control Unit >> 13 62 531 Replacing coolant temperature sensor (N55)
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13 62 531 Replacing coolant temperature sensor (N55)

WARNING: Risk of scalding!
Only perform this repair work on an engine that has cooled down.

Recycling 

Catch and dispose of escaping coolant.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks: 

NOTE: Coolant temperature sensor is mounted on cylinder head at front.

Variant for hot countries only: 

Release screw (1).

Tightening torque 17 22 4AZ .

Remove engine oil pipe and set aside.

Catch and dispose of emerging engine oil.

Fig 1: Identifying Engine Oil Pipe Screw
G09876174Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector (1) and remove.

Unfasten coolant temperature sensor (2).

Installation note: 

Tightening torque 13 62 5AZ .

IF NECESSARY, TOP UP COOLANT. .

Check COOLING SYSTEM for leaks.

Fig 2: Identifying Coolant Temperature Sensor And Connector
G05502076Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Check stored fault messages.

Delete fault memory.