How To THROTTLE valve CLEAN inside ELECTRONIC parts? SAVE $$$ This cleaning is on throttle valve used in BMW, MINI, Peugeot, Citroen 1.6 turbo THP engines. Vapoir oil goes inside throttle body, after oil get inside throttle body all electronic component after some time is corossion affected and get faulty code. We use contact cleaner for clean all oil and dirty inside throttle body, after that use compresed air gun for dry. This way maybe work or not for your throttle body, that depend your throttle body is in good or bad condition. If you try to open throttle body you will lost few hours on it and throttle body can t be returned in factory condition. This way with drill few hole is only acceptable.