11 65 165 Removing and installing/replacing blow-off valve (N63)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks

Follow diagnosis instruction.
Remove exhaust turbocharger . See 11 65 025 REMOVING AND INSTALLING/REPLACING EXHAUST TURBOCHARGER, RIGHT, CYLINDERS 1-4 (N63) or 11 65 030 REMOVING AND INSTALLING/REPLACING EXHAUST TURBOCHARGER, LEFT, CYLINDERS 5-8 (N63) .

Release screws (1).

Tightening torque 11 65 9 AZ .

Remove blow-off valve (2).

Fig 1: Identifying Blow-Off Valve Components

Courtesy of BMW OF NORTH AMERICA, INC.

Check VACUUM CONNECTIONS for correct routing.

Check VACUUM SYSTEM FOR LEAKS .

Assemble engine.