12 14 521 Replacing crankshaft pulse sensor (N55)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. 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 6AZ .

Remove connector housing from crankcase.

Release screw (3).

Tightening torque: 13 62 7AZ .

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

Courtesy of BMW OF NORTH AMERICA, INC.

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