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13 54 030 Removing and installing/sealing throttle assembly (S54): Notes

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

NOTE: Interrogate fault memory of DME control unit.

Turn off ignition.

Remove intake air manifold. Refer to 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD .

Press lock together and detach air hose (1) from air pipe (2).

Fig 1: Detaching Air Hose From Air Pipe
G03198710Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts, remove idle-speed control valve (1) together with holder from assembly and place to one side.

Fig 2: Removing Idle-Speed Control Valve
G03198711Courtesy of BMW OF NORTH AMERICA, INC.

Detach wiring harness (1) for fuel injector rail from holder (2).

Detach hose (5) from air pipe (4).

Detach protective cap (3) from holder (2) towards top.

Fig 3: Detaching Components
G03198712Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: For a better overview, this work step is shown on an engine that has been removed.

Release nut and remove cable (1) from holder.

Fig 4: Removing Cable From Holder
G03198713Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug (1) and detach from throttle potentiometer (2).

Fig 5: Detaching Plug From Throttle Potentiometer
G03198714Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Connector strip (1) can break if it is removed without special tool 12 1 120.
Fig 6: Removing Connector Strip
G03198715Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector strip with special tool 12 1 120 in sequence 1 to 6.

Fig 7: Unlocking Sequence Of Connector Strip
G03198716Courtesy of BMW OF NORTH AMERICA, INC.

Recycling 

Fuel escapes when fuel lines are detached. Catch and dispose of escaping fuel.

Observe country-specific waste-disposal regulations.

Detach retainer (1).

Recycling: 

Catch and dispose of escaping fuel.

Fig 8: Detaching Retainer
G03198717Courtesy of BMW OF NORTH AMERICA, INC.

Release screw connection of fuel injector rail and air pipe on left and right.

Pull out fuel injector rail towards top.

Fig 9: Releasing Fuel Injector Rail And Air Pipe
G03198718Courtesy of BMW OF NORTH AMERICA, INC.

Recycling: 

Catch and dispose of escaping fuel.