BMW 3 Series E90, E91, E92 & E93 xDrive (2005 - 2013)Rear Shock Absorber Upper Mounting BushFor standard shock absorbers and performance shock absorber with a 10mm thread use PFR5-416. PFR5-416-12 fits performance shock absorber which has 12mm thread. Bush Size: 10mmOEM Part Numbers: 33506767010 / 33506771737 / 33506771738 Quantity: 2 Bush(es) / Required per Car = 2 Bush(es)Road Series Part Number = PFR5-416Black Series Part Number = PFR5-416BLKRoad EAN Reference Number: 5055676516077, Black EAN Reference Number: 5055676516541Diagram Reference = 16NOTES:-See above pictures and car diagrams as applicable.Road Series - For Road and fast Road use. Improve your cars’ road holding and chassis performance by controlling the amount of unwanted flex in the suspension. They offer Prolonged tyre life, Improved performance, Increased safety, Greater cost-effectiveness.Black Series- For Track and Motorsport use. Manufactured using Black 95 Shore A compound to provide maximum control of chassis geometry. They are designed for the Track, ready to Race and are engineered to be the best.Fitting Instructions: Road Series - Black Series