12 51 215 Replacing wiring harness section for Valvetronic servomotor (N20, N26)

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

Necessary preliminary tasks:

Read out the fault memory of the DME control unit.
Switch off ignition.
Remove acoustic cover. See REMOVING ACOUSTIC COVER (N20) or REMOVING ACOUSTIC COVER (N26) .

Undo wiring harness section for Valvetronic servomotor on DME control unit and Valvetronic servomotor and pull off.

Undo, feed out and remove wiring harness section from clamps.

Fig 1: Identifying Wiring Harness Section For Valvetronic Servomotor On DME Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Check wiring harness installation arrangement.

Check plug connections for correct fit.

Check stored fault message.

Clear diagnostic fault entries from fault memory.