12 14 521 Replacing crankshaft pulse sensor (N55)

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IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (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 Screws

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 Of Pulse Sensor And Groove

Courtesy of BMW OF NORTH AMERICA, INC.

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