Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove TENSION STRUT
Remove INTAKE FILTER HOUSING
Remove ignition coil cover See 1100 REMOVING AND INSTALLING/REPLACING ACOUSTIC COVER (N52/N52K) or 1100 REMOVING AND INSTALLING/REPLACING IGNITION COIL COVER (N52K)

Open holder (2).

Disconnect plug connection (1) under of air intake manifold.

Release both crankcase breathers (3).

Fig 1: Identifying Plug Connection, Crankcase Breathers And Holder

G04751268

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Disconnect plug connection (3).

Release screws (4).

Detach engine wiring harness (2) from air intake manifold and lay to one side.

Fig 2: Identifying Engine Wiring Harness

G04751269

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1) on oil pressure switch (2).

Fig 3: Identifying Plug Connection On Oil Pressure Switch

G04751376

Courtesy of BMW OF NORTH AMERICA, INC.

Release fuel rail (2) and lay to one side.

NOTE: Do not detach fuel line.

Release screws (1).

Tightening torque 11 61 1AZ .

Unscrew nuts (3).

Tightening torque 11 61 2AZ .

Fig 4: Identifying Fuel Rail, Screw And Nuts

G04751271

Courtesy of BMW OF NORTH AMERICA, INC.

Raise air intake manifold approx. 10 cm.

Disconnect plug connections (1) at bottom.

Release tank vent line behind throttle valve assembly.

Fig 5: Identifying Air Intake Manifold Plug Connections

G04751272

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace all seals.

Assemble engine.