11 61 050 Removing and installing intake air manifold (N51)

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove Tension Strut
Remove suction filter housing.
Remove engine cover.

Open holder (2).

Disconnect plug connection (1) under manifold.

Release both crankcase breathers (3).

Fig 1: Crankcase Breathers, Plug Connection And Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Disconnect plug connection (3).

Release bolts (4).

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

Fig 2: Engine Wiring Harness, Screws And Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1) on oil pressure switch.

Fig 3: Plug Connection And Oil Pressure Switch

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).

Unscrew nuts (3).

For tightening torque refer to 11 61 1AZ in 11 61 AIR INTAKE MANIFOLD .

Fig 4: Fuel Rail, Nuts And Screws

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: Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace all seals.

Assemble engine.