13 62 531 Replacing coolant temperature sensor (N62, N62TU)

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. 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.

Necessary preliminary tasks:

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

Recycling

Catch and dispose of escaping coolant.

Observe country-specific waste-disposal regulations.

Coolant temperature sensor is mounted on water pipe at front.

Unlock plug (1) and remove.

Release temperature sensor (2).

Installation:

Tightening torque 13 62 2AZ . See FUEL SYSTEM - TIGHTENING TORQUES .

Vent cooling system and check for leaks. See 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (N62, N62TU) .

If necessary, top up coolant .

Fig 1: Identifying Temperature Sensor And Plug

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Now clear the fault memory.