General description maXpeedingrods B3 coilovers are designed for BMW 3 Series E92 Coupe (2005-2013), E90, E91, and E93 models, providing height adjustability and enhanced ride quality for street use. With 24 levels of rebound damping control, you can fine-tune your setup for optimal performance across various road conditions. Technical specifications Height adjustable: Yes, lowering range 25-75mm depending on vehicle model Damping: 24 levels of rebound damping force Front top mount: Pillow ball with camber plate Rear top mount: OE top mounts required Camber adjustable: Available Spring Rate Front: 8 kg/mm (448 lbs/in) Spring Rate Rear: 12 kg/mm (672 lbs/in) Spring length Front: 180 mm Spring length Rear: 230 mm Shock type: Twin tube Spring Preload advised: 7-10 mm Package includes: 2x Front coil-overs, 2x Rear coil-overs, 2x Sway bar end links, 2x C spanners Compatibility and accessories Compatible with BMW 3 Saloon (E90) (2004-2011) models: 316i, 318i, 320i, 323i, 325i, 328i, 330i,