12 14 523 Replacing Inlet Camshaft Pulse Generator (N51, N52, N52K, N53)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. 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 damage (ESD protection) . See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) (CONVERTIBLE) or 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) (COUPE) .

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.

Tightening torque, see 12 14 3AZ in 12 14 ELECTRONIC SHIFT UNITS OR CONTROL UNITS .

Remove pulse generator (2).

Fig 1: Locating Pulse Generator

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Check stored fault messages.

Now clear the fault memory.