AST Lowering Springs For BMW 6 645Ci/650i/635D 2004-01/2011, Front 30 , Rear 25 F11 520d reducing backpressure to optimise horsepower

reducing backpressure to optimise horsepower and torque gains

No special tools required for compression tweaks at the base of the damper

Direct-fit rear brake pads for Girling/TRW rear calipers on Lotus Esprit models

Engineered for drivers who want sharper bite

Piston sizes tuned for the X3 F25 to retain factory ABS behaviour and pedal feel

AST Lowering Springs For BMW 6 645Ci/650i/635D 2004-01/2011, Front 30 , Rear 25 F11 520d reducing backpressure to optimise horsepowerThe AST Lowering Springs are engineered specifically for the BMW 6 Series models 645Ci, 650i, and 635D from 2004 01 to 2011, providing a precise lowering of 30 mm at the front and 25 mm at the rear. Manufactured using advanced cold coiling technology on premium Wafios coiling machines, these springs ensure superior durability and consistent performance. Designed to lower the vehicles center of gravity, they enhance handling dynamics and stability