AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 2009-2012 BMW 3 Series 316d (E9X) 4 Series TR Chassis Code GD/GG Adjustable

TR Chassis Code GD/GG Adjustable Yes Bar Color Black Bar Material Aluminum Alloy Drilling Required No Finish Anodized Grade Type Performance Installation Difficulty Moderate Installation Time (hrs) 0

2017 Porsche 911 (991)

2 kg/mm (347 lbs/in) Spring Type Linear Top Mount (Front) Pillowball Mount no camber adjustment Top Mount (Rear) Reuses OEM Top Mount Vehicle Fitment

S Chassis Code SF/SG Bushing Color Black Bushing Material Polyurethane Durometer 72 Grade Type Regular Installation Difficulty Moderate Installation Time (hrs) 1 Kit Contents 8 Bushings

AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 2009-2012 BMW 3 Series 316d (E9X) 4 Series TR Chassis Code GD/GG AdjustableThe 5100 Series shock absorbers for the 2009 2012 BMW 3 Series 316d (E9X) utilize non inverted high performance monotube technology. In the past, these were known as the 4100 series. Monotube design shocks absorbers give your car a better performance than the standard twin tube design, the gas pressure is separated by a floating piston, and eliminates cavitation and airation within the oil chamber. The 5100 Series shocks allow rebound adjustment with