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

Necessary preliminary tasks: 

• Remove exhaust turbocharger, right, cylinders 1-4 (N63)  and exhaust turbocharger, left, cylinders 5-8 (N63) .

Release screws (1). Tightening torque 11 65 9 AZ . Remove blow-off valve (2).

Fig 1: Removing Blow Off Valve

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Check vacuum connections  for correct routing.

Check vacuum system  for leaks.