13 62 531 Replacing coolant temperature sensor (N51)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. 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

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

If necessary, top up coolant

Check cooling system for water 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.