Axle-Load front: 985 Axle-Load rear: 835 Lowering front: 10-15mm Lowering Rear: 15mm Ø front: Ørear: Adjustable front: Adjustable rear: The BILSTEIN B12-Pro-Kit series offers the perfect start to lowering your car and getting that sporty drive. The formula: four high-performance shock absorbers, four springs, the best fit and BILSTEIN expertise.