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Home >> BMW >> 2007 >> 335i 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine - Repair (N54) >> 61 Intake Manifold >> 11 61 050 Removing and Installing Intake Air Manifold (N54)

11 61 050 Removing and Installing Intake Air Manifold (N54)

Necessary preliminary tasks: 

Detach crankcase breather at cylinder head cover (1).

Fig 1: Detaching Crankcase Breather Cylinder Head Cover
G04755044Courtesy of BMW OF NORTH AMERICA, INC.

Pull off vacuum hose (1).

Detach tank vent valve (2) from mounting.

Release hose (3) and set down in engine compartment.

Fig 2: Identifying Vacuum Hose, Tank Vent Valve & Hose
G04755045Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1) on oil pressure switch.

Fig 3: Identifying Oil Pressure Switch
G04751376Courtesy of BMW OF NORTH AMERICA, INC.

Release retainers (1) on fuel rail and place to one side.

Disconnect plug connection (2).

NOTE: Do not detach fuel line.

Unscrew nuts (3).

Release screw (4).

Tightening torque, see 11 61 1AZ in ENGINE -- TORQUE SPECIFICATIONS -- TWIN TURBO

Fig 4: Identifying Fuel Rail Retainers
G04755047Courtesy of BMW OF NORTH AMERICA, INC.

Raise intake air manifold.

Release screws (1).

Set down distributor housing (2) in engine compartment.

Fig 5: Identifying Distributor Housing With Screws
G04755048Courtesy of BMW OF NORTH AMERICA, INC.

Cut cable tie (1).

Disconnect plug connection (2).

Installation: 

Replace all seals (3).

Fig 6: Identifying Plug Connection & Seals
G04755049Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replace all seals.

Assemble engine.