AST Suspension Lowering Springs - BMW 6-Series (03/2004-12/2010) Select Engine/Chassis:645Ci / 650i / 635D and control switch for easy

and control switch for easy operation and customization

Compatible with newer XP-1 and XP-3 Micro-Starts for seamless integration

a passion for shine

Factory-style exhaust valve for bi-modal operation

Crafted with durability and ease of use in mind

AST Suspension Lowering Springs - BMW 6-Series (03/2004-12/2010) Select Engine/Chassis:645Ci / 650i / 635D and control switch for easyThe AST Lowering Springs offer a solution to reduce your vehicles center of gravity while preserving the comfort youre accustomed to from the original equipment manufacturer (OEM) springs. These springs serve as a direct replacement for your OEM springs and have been developed especially for each vehicle specific. Crafted from premium materials using the best Wafios coiling machines. Their progressive design strikes the perfect balance between