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

Necessary preliminary tasks: 

• Follow diagnosis instruction.
• Remove exhaust turbocharger. See REMOVING TURBOCHARGER, RIGHT (CYLINDERS 1-4)  or REMOVING TURBOCHARGER, LEFT (CYLINDERS 5-8) .

Release screws (1).

Tightening torque 11 65 9AZ .

Remove blow-off valve (2).

Fig 1: Identifying Blow-Off Valve And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Check VACUUM CONNECTIONS  for correct routing.

Check VACUUM SYSTEM FOR LEAKS .

Assemble engine.