11 74 508 Removing and installing/replacing pressure converter for exhaust turbocharger (N18)

Necessary preliminary work:

NOTE: Pressure converter is installed under intake plenum.
Illustration shows removed pressure converter (EPDW).

Disconnect vacuum lines on vacuum connection (1 and 2).

Disconnect plug connection on pressure converter (EPDW).

Fig 1: Identifying Vacuum Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

OUT connector (1) is identified with a green ring.

Installation note:

Vacuum line (1) is fitted with a green ring (OUT).

Vacuum line (2) without green ring (VAC).

Fig 2: Identifying Vacuum Lines

Courtesy of BMW OF NORTH AMERICA, INC.