12 14 523 Replacing inlet camshaft pulse generator (N52, N52K, N51, N53)

Necessary preliminary tasks: 

• Read out fault memory of DME control unit
• Switch off ignition
• If necessary, remove radiator cover

Unlock plug (1) and remove.

Release bolt.

Installation: 

Replace screw.

For tightening torque refer to 12 14 3AZ in 12 14 ELECTRONIC SHIFT UNITS OR CONTROL UNITS .

Remove pulse generator (2).

Fig 1: Identifying Plug, Bolt And Crankshaft Pulse Generator

Courtesy of BMW OF NORTH AMERICA, INC.