12 14 521 Replacing the pulse sensor on the crankshaft (N63 B40/B44 O 1)

Necessary preliminary tasks: 

• Read out the fault memory of the DME control unit.
• Switch off ignition.
• Remove rear underbody protection. See 51 47 491 REMOVING REFITTING/REPLACING REAR ENGINE UNDERCOVER .
  Fig 1: Identifying Connector, Screw And Pulse Generator

  Courtesy of BMW OF NORTH AMERICA, INC.

Installation location: 

On transmission housing at bottom right.

Unlock connector (1) and remove.

Release screw (2).

Tightening torque 13 62 4AZ .

Withdraw pulse generator (3) from transmission housing.

Installation note: 

Delete fault memory.