Electronic Throttle Actuator: Service and Repair
Removing And Installing/Sealing Throttle Assembly (M62)
Switch off ignition.
Remove intake hose.
Disconnect plug (1).
Release screws (2).
Remove throttle assembly.
Check sealing ring (3) on throttle assembly for correct seating and damage and replace if necessary.
Installation Note: To assist installation, coat sealing ring (3) with anti-friction rubber coating (e.g. petroleum jelly).
Check sealing ring (1) on throttle assembly (2) for damage and replace if necessary.