12 14 521 Replacing crankshaft pulse sensor (N55)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary tasks:

Read out the fault memory of the DME control unit.
Switch off ignition.
Remove STARTER MOTOR .

Unlock connector (1) and remove.

Release screw (2).

Tightening torque 13 62 2AZ .

Remove connector housing from crankcase.

Release screw (3).

Tightening torque 13 62 8AZ .

Pull pulse sensor from crankcase and remove.

Fig 1: Identifying Connector And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

During installation of pulse sensor make sure that guide pin (1) of pulse sensor is inserted in guiding groove (2) of crankcase.

Fig 2: Identifying Guide Pin And Groove Of Crankcase

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Assemble engine.
Check stored fault message.
Delete fault memory.