BMW 3 Series (E30) 1985-1991 - 500 Series Super Low Spec Coilovers Spring Upgrade:Swift Springs Standard - Hyperco Springs may be used if necessary The Concave Flow Digressive Piston

The Concave Flow Digressive Piston allows for a Jekyll and Hyde personality

Concave Flow Digressive Piston Technology™

Swift Springs standard on most applications - HyperCo substitute

Refill with Amsoil Sythetic Shock Oil

Install the harness between the vehicle harness and unit

BMW 3 Series (E30) 1985-1991 - 500 Series Super Low Spec Coilovers Spring Upgrade:Swift Springs Standard - Hyperco Springs may be used if necessary The Concave Flow Digressive PistonCUSTOM. MODULAR. REBUILDABLE. Fortune Auto engineers have developed specialized valving profiles and optimized specifications for the Super Low Spec. The Super Low Spec 500 Series coilovers are designed to dramatically lower vehicle ride height. Average height adjustability is roughly 2. 5" to 5" lower than OEM ride height (depending on application). Swift Springs Standard, Hyperco Springs substitute if necessary FA Synthetic Shock Oil Flow Digressive