13 62 531 Replacing coolant temperature sensor (N52K)

WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. 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
Switch off ignition

Coolant temperature sensor is mounted on cylinder head at front.

Unlock plug (1) and remove.

Release temperature sensor (2).

Installation:

Tightening torque 13 62 5AZ .

If necessary, top up coolant.

Check COOLING SYSTEM for leaks.

Fig 1: Identifying Temperature Sensor And Connector

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Now clear the fault memory.