These engine case sliders for the BMW K1200R, K1200S, K1300R and K1300S models fit neatly and easily to the existing engine case and will provide additional protection in the event of a drop. R&G Racing engine case sliders compliment the R&G Racing crash protectors and the additional range of products that we offer for these bikesSpecial Note: The installation of this product requires you to remove the four bolts (on each side of the engine)that hold the housing to engine. DO NOT REMOVE THE HOUSING. Place the protector over the stock housing.. Otherwise you may be required to replace engine fluids and gaskets.