11 65 165 

Necessary preliminary tasks:

Follow diagnosis instruction.

Remove exhaust turbocharger

Removing and installing, replacing blow-off valve on engine BMW N63

Release screws (1).

Tightening torque 11 65 9 AZ:

9AZ Blow-off valve to exhaust turbocharger
N63 M6 9 Nm

Remove blow-off valve (2).

Check vacuum connections for correct routing.

Check vacuum system for leaks.

Assemble engine.