11 36 655 Removing and installing/replacing both solenoid valves (N52)

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2008 BMW Z4, 2007 BMW Z4, 2007 BMW 530xi, 2007 BMW 530i, and 2007 BMW 525xi. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Always check that the solenoid valves are clean during removal and installation.

Possible malfunction if valves are contaminated:

Rough running.
OBD fault entry.
Exhaust emission behavior.
Low engine power.

Necessary preliminary tasks:

Remove Acoustic Cover

Disconnect plug connection (1) for inlet solenoid valve (2).

Unscrew bolt (3).

Remove inlet solenoid valve (2) with bracket towards front.

Disconnect plug connection (6) for exhaust solenoid valve (5).

Release screw (4).

Remove exhaust solenoid valve (5) with bracket towards front.

Fig 1: Identifying Inlet Solenoid Valve, Plug Connections, Exhaust Solenoid Valve, Screw And Bolt

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Risk of mixing up plug connections (1 and 6)

Assemble engine.

Check function of DME.