13 62 531 Replacing Coolant Temperature Sensor (N62, N62TU)

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2010 BMW 650i, 2009 BMW 650i, 2008 BMW 750i, 2008 BMW 750Li, and 2008 BMW 650i. 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
E65 only. E66:
Remove design cover.

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, see 13 62 2AZ in FUEL SUPPLY SYSTEM - TIGHTENING TORQUES

VENT COOLING SYSTEM and check for leaks.

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.