H&R Super Sport Lowering Springs - BMW 3 Series E30 90/4 Series F32 Coupe 12-20 EG33 Radium FST-R (Fuel Surge Tank

Radium FST-R (Fuel Surge Tank - Regulated) — see compatible FST-R options

Push-on and secure fitment is compatible with most modern USA

Boost-safe — no check valve required

✅ Trusted by tuners and race teams running high-power fuel system builds worldwide

billet aluminium solution to properly secure these lines — designed to work alongside the Radium Fuel & Brake Line Retainer Kit (20-0626)

H&R Super Sport Lowering Springs - BMW 3 Series E30 90/4 Series F32 Coupe 12-20 EG33 Radium FST-R (Fuel Surge TankH&R Super Sport lowering springs deliver a deeper, more aggressive drop than the Sport range for a lower stance and sharper turn in, while keeping H&R's progressive rate design for everyday usability on the factory dampers. Features Progressive rate springs with a deeper drop than H&R Sport Lower centre of gravity for reduced body roll and sharper handling Engineered to work with the factory dampers German made, cold formed spring steel with a durable