Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

E90, E91, E92, E93, E87, E82, E88, E84:
Remove LOWER SECTION OF MICROFILTER HOUSING
E85, E86, E90, E91, E92, E93, E84:
Remove LEFT TENSION STRUT on suspension strut dome
E70:
Remove intake filter housing

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Release screws.

Unlock plug (1) and remove.

Pull differential pressure sensor (2) out of intake air manifold.

Fig 1: Identifying Differential Pressure Sensor And Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Read out fault memory of control unit of Digital Engine Electronics (DME).

Check stored fault message.

Delete fault memory.