Partly loosening the wiring harness from the cylinder head cover on the left

NOTE: RISK OF DAMAGE
Malfunction or failure of the DME.
Grounding points that are not screwed on may lead to malfunction or failure of the DME.

Screw all screw points of the cable ducts on again. Some of the screw points are also grounding points.

Unlock connector (1) and detach from the VANOS solenoid valves.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1) .
Partially release wiring harness.

Courtesy of BMW OF NORTH AMERICA, INC.