13 62 531 Replacing Coolant Temperature Sensor (N52K)

WARNING: This page is about a different car, the 2010 BMW X5, 2009 BMW X5, 2008 BMW X5, and 2007 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

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.

Necessary preliminary tasks:

Read out fault memory of DME control unit; if necessary, work through test schedules
Switch off ignition

Lever out expansion rivets (1).

Press lock (2) and raise intake duct (3).

Detach intake duct (3) from air filter housing and remove.

Unclip Bowden cable for engine bonnet/hood actuator from transverse reinforcement (1).

Release screws on left and right sides. Tightening torque 51 71 4AZ, see 51 71 SEALS AND LOOSE BODY PARTS .

Remove cross-brace (1).

Coolant temperature sensor is mounted on cylinder head at front.

Unlock plug (1) and remove.

Release temperature sensor (2).

Installation:

Tightening torque 13 62 2AZ, see 13 62 SENDERS FOR CONTROL UNIT (1 OF 2) .

If necessary, top up coolant.

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

Fig 1: Identifying Plug And Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Now clear the fault memory.