12 14 521 Replacing crankshaft pulse sensor (B36, B38, B46, B48)

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

Necessary preliminary tasks:

Removal:

Unlock plug (2) from pulse generator and detach.

Release screw (1).

Remove pulse generator (3).

Fig 1: Pulse Generator, Plug And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Install pulse sensor (3).

Tighten screw (1).

Tightening torque 13 62 2AZ .

Attach connector (2) on pulse sensor.

Connector (2) must snap audibly into place.

Fig 2: Pulse Generator, Plug And Screw

Courtesy of BMW OF NORTH AMERICA, INC.