Remove the intake air pipe.
Remove the fasteners securing the intake air silencer to the oil tank and retainer.
Carefully disconnect the intake air silencer from the throttle flap stub and secure the silencer to the frame with a cable tie.
Remove circlip securing throttle cable to throttle flap stub and disengage the throttle cable from the guide.
Disengage throttle cable from adapter.
Disconnect the plugs for fuel injector (2), throttle valve potentiometer (4) and throttle-valve actuator (3).
Use a hose clamp, BMW # 13 3 010, to close off fuel line (5).
Slacken the hose clip securing the fuel line and disconnect the line from the throttle flap stub.
Slacken hose clip (arrow) on the intake pipe.
Pull the throttle flap stub off the intake pipe.
If necessary, remove fuel-injector holder and fuel injector.
Installation is the reverse of the removal procedure.
Tightening torques:
- Intake air silencer to retainer: 9 Nm
- Intake air silencer to oil tank: 9 Nm
- Connecting flange: 5 Nm
- Fasteners, cover/trim panel for turn indicator: 3 Nm