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Home >> BMW >> 2011 >> 1M >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - Repair >> Sensor For Control Unit >> 13 62 531 Replacing coolant temperature sensor for coolant (N54T)
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

13 62 531 Replacing coolant temperature sensor for coolant (N54T)

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

Recycling 

Catch and dispose of escaping oil and coolant.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks: 

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

Release screw.

Tightening torque 17 21 1AZ .

Remove engine oil pipe (1).

Catch and dispose of emerging oil.

Fig 1: Locating Engine Oil Pipe Screws
G06175115Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Replace sealing rings.

Fig 2: Locating Sealing Rings
G05502212Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector (1) and remove.

Unfasten coolant temperature sensor (2).

Installation note: 

Tightening torque 13 62 1AZ .

If necessary, top up coolant.

CHECK COOLING SYSTEM FOR WATER LEAKS .

Fig 3: Identifying Coolant Temperature Sensor Connector
G05502076Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Check the engine oil level after repair work is completed.

Check stored fault messages.

Delete fault memory.