For Z3 Z3m Replacement Upgraded Bushes Bushings Fix Worn Rocking Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si The rail bushings wear causing excessive 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 runner bushes and stop the excess movement in your seats. our part will not deteriorate like the bushes and are designed to last the lifetime of the vehicle.An extremely common fault fixed with our repair kit. for Vehicles affected and part numbers Z3 coupe All Z3 models Z3 E36 E37 E38 1994-2002 Roadster and Coupe Z3M M Roadster M Coupe part numbers: 52108401291, 52108401292, 52108399593, 52108398812, 52107137499. colour:Silver Material:rubber Package Contents: 8x bushing Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.