Restore Faulty Lock Mechanism: Designed to resolve common issues such as stiff key rotation, incomplete engagement, or jammed door locks caused by worn internal components Zinc Alloy Structure: Built from zinc alloy for structural reliability during repeated daily locking and unlocking without cracking or deformation 7-Piece Repair Kit Functionality: This Car Door Lock Cylinder Repair Kit contains essential internal components to help restore the locking mechanism without replacing the full system Straightforward Setup: Designed to fit directly into existing lock structures, allowing for smooth installation with basic tools and experience Name:Door Lock Cylinder Repair Kit Part Number: 51217162425, 51217162427, 51217162439, 51217199833 Fitment: Compatible with for 3 Series E90 Saloon 2005-2011 Compatible with for 3 Series E91 Estate 2004-2012 Compatible with for 3 Series E92 Coupe 2006-2013 Compatible with for 3 Series E93 Convertible 2006-2013 Note:Please check on your car model details and exact Part Number to confirm if this item is fitted Color:As Shown Material:Metal Package Contents: 1 x Door Lock Cylinder Repair Tool Kit (7pcs) Only the above package content, other products are not included. Note: Light reflection 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.