Pressure converter, cylinders 1-4

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Disconnect plug connection (1) on pressure converter.

Installation note:

Plug connection (1) must snap audibly into place!

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

Disconnect black/red vacuum hose at connection (OUT= turbocharger vacuum unit).

Fig 1: Identifying Black/Red Vacuum Hose And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (2).

Tightening torque 11 65 8AZ .

Remove pressure converter.