AST Lowering Springs For BMW 5 550 03/2010-01/2017, Front 40 , Rear 35 E39 520i offering a much more premium

offering a much more premium look over standard

4 TSI CTKA from 2008 onward on vehicles without a GPF

plug and play valve controller

3 inch BMW boost pipe

Triple-adjustable coilover setup - fine-tune rebound and compression independently for optimum chassis balance

AST Lowering Springs For BMW 5 550 03/2010-01/2017, Front 40 , Rear 35 E39 520i offering a much more premiumThe AST Lowering Springs are engineered to enhance the driving dynamics of your BMW 5 550 (03 2010 01 2017) by effectively lowering the vehicles center of gravity. Manufactured with precision using premium materials and cold coiled on state of the art Wafios coiling machines, these springs provide a reliable and durable solution for enthusiasts seeking improved handling without compromising ride comfort. Designed as a direct replacement for the OEM