AST Suspension 5200 Series Coilovers - 2006-2008 BMW Z4 2.5si Coupe/Convertible (E85/E86) air-suspension-kits S Chassis Code SF/SG Bushing

S Chassis Code SF/SG Bushing Color Black Bushing Material Polyurethane Color Black Durometer 72 Grade Type Performance Installation Difficulty Moderate Installation Time (hrs) 1 Kit Contents 1 Insert Bushing Material Polyurethane Wheel Alignment Required No Notes Inserts - suits 5 speed manual models - installs into voiding of original rear gearbox mount - positive gearbox location Vehicle Fitment

AST Lowering Springs for the 1993-1998 BMW M3 (E36) are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency

1982 Toyota Celica GT (A60)

while still maintaining linear spring rates

2015 BMW 4 Series Gran Coupe 435i/440i AWD (w/ EDC)

AST Suspension 5200 Series Coilovers - 2006-2008 BMW Z4 2.5si Coupe/Convertible (E85/E86) air-suspension-kits S Chassis Code SF/SG BushingThe 5200 Series for the 2006 2008 BMW Z4 2. 5si Coupe Convertible (E85 E86) are 2 way adjustable shock absorbers which are based upon competition 3 way adjustable shock absorbers. The 5200 shock absorbers are adjustable in compression and rebound. The design of the compression adjuster is an evolution of the compression adjuster we provided for the American Grand Am series for the last few years. The 5200 shock absorbers were designed to achieve a