Necessary preliminary work

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2014 BMW Alpina B7L, 2014 BMW Alpina B7, and 2013 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Read out DME fault memory.
Switch off ignition.
Remove ELECTRONICS BOX .
Draw off A/C SYSTEM .
Secure ENGINE in installation position.

Release screw (1).

Tightening torque 64 53 3AZ .

Detach A/C line (2) and place to one side.

Replace sealing ring on A/C line.

Fig 1: Identifying A/C Line With Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector (1) and remove.

Release screws (2) with a reversible ratchet, extension, universal joint and a magnetic Torx socket.

Tightening torque 13 62 2AZ .

Pull pressure sensor (3) out of left intake plenum.

Installation note:

Coat sealing ring with lubricant.

Fig 2: Identifying Pressure Sensor With Connector And Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Delete fault memory.