For Z3 Z3M Replacement Upgraded Seat Bushes Bushings Fix Worn Rocking RepairThe seat rail bushings wear; causing excessive seat movement.The poor quality bushes within the seats sub frame tracks wear, perish or completely disintegrate and ultimately fail causing excess movement in the rails.Fit our upgrade seat runner bushes and stop the excess movement in your seats.our part not deteriorate like the bushes and are designed to last the of the vehicle.An extremely common fault fixed with our repair kit.for Vehicles affected and part numbersZ3 coupeAll Z3 modelsZ3 E36 E37 E38 1994-2002 Roadster and CoupeZ3M M Roadster M CoupeAssociated part numbers:52108401291, 52108401292, 52108399593, 52108398812, 52107137499.colour:SilverMaterial:rubberPackage Contents:8x bushingOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.