Pressure converter, cylinders 7-12

Disconnect plug connection (3) on pressure converter.

Installation note: 

Plug connection (3) must snap audibly into place!

Disconnect black vacuum hose (1) at connection (VAC = vacuum reservoir).

Disconnect black vacuum hose (2) at connection (OUT = vacuum unit of exhaust turbocharger).

Fig 1: Identifying Vacuum Hoses, Plug Connection And Screws

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Undo screws (4 and 5)

Tightening torque: see 2AZ in 11 00 STANDARD SCREW CONNECTION

Remove pressure converter.

Check activation via BMW diagnosis system.