All Balls Racing - Air Cut off Valve Rebuild Kit (46-1015) Options:(46-1015) It effectively prevents you from

It effectively prevents you from slipping off the side stand with your boot

heavy filter oils and other contaminants from foam and fabric air filters

It hugs the body of your BMW

without compromising wear

independent testing compared lap times under identical wet conditions 1

All Balls Racing - Air Cut off Valve Rebuild Kit (46-1015) Options:(46-1015) It effectively prevents you fromKit Includes all necessary parts to rebuild the air cut off valve circuit. Models with multiple carburetors include components to repair all carburetors. Kit includes necessary o rings, diaphragm, spring, screws. Improperly functioning air cut off valves can stick open or closed causing popping on deceleration or poor running conditions.