Application: For BMW 5 series E60 2004-2010 Saloon RWD Model: 520i,525i,528i,530i,535i,545i,550i,520d,525d,530d,535d will not fit xi and M models Note: The front damper knuckle insert diameter is 49mm or with bushing 55mm. Specification: Height adjustable: lowering 25-75mm depending on the vehicle models Damping: 24 levels of rebound damping force Shock structure type: twin -tube Front top mount structure: Pillow ball Rear top mount structure: Standred rubber Camber adjustable: Not available Spring Rate Front: 10 kg/mm(560 lbs/in) Spring Rate Rear: 7 kg/mm(392 lbs/in) Front spring inner diameter: 70.5 mm Rear spring inner diameter: 70.5 mm Spring length Front: 230 mm Spring length Rear: 200 mm Spring Preload advised: 7-10 mm Package included： 2x Front coil-overs 2x Rear coil-overs 1x Allen wrench 2x C spanners Feature: 1. Lowered height adjustment from 25-75mm which allows a lower center of gravity and also adds a more aggressive stance 2. Adjustable pre-load spring tension to reduce