The Bumper Physics Glitch is a glitch with the vehicle physics engine of Banjo-Kazooie: Nuts & Bolts. If a vehicle is heavy enough and has Bumpers, light objects that hit the Bumpers will be knocked far away. The force of the bounce is determined by how much heavier the Vehicle is than the object that hit the Bumper. If the object being pushed is against a thin wall, it will enter the wall. If the object is Banjo, this can be used as an out of bounds glitch similar to the Grenade Turret Trick.