13 54 030 Removing and installing/sealing throttle body (M60, M62)

Ignition switched off.

Version 1: 

(Acoustic cover screwed down)

Remove seal caps (1) and unfasten nuts (2).

Remove acoustic cover.

Fig 1: Identifying Seal Caps And Nuts On Acoustic Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Version 2: 

(Acoustic cover with press-stud fastener)

Press press-stud fasteners (1...4) in succession and at same time raise acoustic cover slightly. Remove acoustic cover once all four press-stud fasteners have been unlocked.

Fig 2: Identifying Acoustic Cover With Press-Stud Fastener

Courtesy of BMW OF NORTH AMERICA, INC.

Cars with idle-speed control valves only: 

Disconnect plug connection on idle control valve and on throttle valve potentiometer.

Fig 3: Identifying Idle Control Valve And Throttle Valve Potentiometer

Courtesy of BMW OF NORTH AMERICA, INC.

Open clips (1).

If fitted, release hose clamp (2) and disconnect hose.

Disconnect plug-in connection (3).

M62: Disconnect plug connection on intake air temperature sensor.

Fig 4: Removing Air Filter Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten hose clips (1) and (2), and remove suction hoses with top section of air filter housing.

Fig 5: Identifying Suction Hoses Removing Hose Clip

Courtesy of BMW OF NORTH AMERICA, INC.

Remove accelerator cables (1) and (2).

1. Accelerator cable
2. Cruise control cable

Installation 

1. Adjust cable for accelerator pedal (1) free of play.
2. Adjust cable for cruise control (2) with 1-2 mm of play.

Fig 6: Identifying Accelerator And Cruise Control Cables

Courtesy of BMW OF NORTH AMERICA, INC.

Remove vacuum hose from throttle body.

Fig 7: Removing Vacuum Hose From Throttle Body

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws (1) to (6) and remove throttle valve neck.

Fig 8: Identifying Throttle Valve Neck Unfasten Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation 

1. Replace seal.

Fig 9: Replacing Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Installation 

1. Fit brackets (1) and (2).

Fig 10: Fitting Brackets

Courtesy of BMW OF NORTH AMERICA, INC.

Cars without idle-speed control valves only: 

Remove connector (1).

Disconnect vacuum lines (4).

Remove intake pipe (3) with air cleaner housing upper section (2).

Fig 11: Removing Intake Pipe With Air Cleaner Housing Upper Section

Courtesy of BMW OF NORTH AMERICA, INC.

Remove connector (1).

If necessary, remove any remnants of sealing ring (3).

Unfasten screws (2).

Take off throttle-valve assembly.

Fig 12: Removing Throttle-Valve Assembly

Courtesy of BMW OF NORTH AMERICA, INC.

Check O-ring (1) of throttle body (2) for damage and replace if necessary.

Fig 13: Identifying O-Ring Of Throttle Body

Courtesy of BMW OF NORTH AMERICA, INC.