To the dear buyer: Welcome to our shop! ! ! We guarantee to provide you with the best service and the best quality product. Happy every day. Thanks. If the item has quality problem within 3 months, we promise you can replace a new one. Compatible models; For BMW 5 Series Sedan F10 F11 LCI 2014-2016For BMW 5 Series Gran Turismo GT 5GT F07 2014-2017For BMW 6 Series F06 F12 F13 LCL 2015-2017For BMW 7 Series F01 F02 LCI 2013-2015For Alpina B5 & D5 2014-2016 Warranty: 1. 24 months manufacturer's warranty. Buy with confidence! 2. If you are not satisfied when you receive your item, please return it within 30 days for your order or money. Please before returning. 3. Defective items must be reported and returned to us within the warranty period (and in the original packaging if possible). You need to tell us what the defect is and tell us your order number. 4.