AST Suspension Lowering Springs (20mm/20mm TUV) - 1986-1993 BMW 4 Series 420i/428i/430i/420D/425D Gran Coupe (E30) Ranchero KSR204 is designed to disable

KSR204 is designed to disable the Hydraulic HICAS Rear-Steer System on your 1989-1990 Nissan 240SX XE (S13)

Worn Front Control Arm Bushings on your 1982-1984 Ford Mustang L (Fox) have a huge influence on vehicle stability

Part Number SB1017 Old Part Number NB113 Part Name NEOMAX Coilovers Vehicle 2007-2013 BMW M3 Chassis Code E90/E92/E93 Drivetrain RWD Ride-Height Adjustable Yes Adjustment Type 1-Way Spring Rates - Front 14 kg/mm Spring Rates - Rear 11 kg/mm (Separated shock and spring) Super Low Drop Optional Yes Swift Springs Optional Yes Custom Spring Rates Optional Yes Custom Spring Rates - Rear Option Note Rear spring rates can not be changed on some kits

2016 Lexus IS350 AWD (XE30)

1994 Lexus ES300 (V30)

AST Suspension Lowering Springs (20mm/20mm TUV) - 1986-1993 BMW 4 Series 420i/428i/430i/420D/425D Gran Coupe (E30) Ranchero KSR204 is designed to disableAST Lowering Springs for the 1986 1993 BMW 4 Series (E30) are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle.