AST ALS Adjustable Lowering Springs - BMW F87 M2 / F80 M3 / F82 M4 5 series (G30 / G31) + 49% N55LK Flow Capacity

+ 49% N55LK Flow Capacity Gasoline 750whp 900whp 1000whp Flow Capacity E85 530whp 710whp 790whp Operating Pressure 250 Bar 250 Bar 250 Bar Welcome to the home of the highest powered direct injection N55 cars on the planet

100% perfect fit

Two valves – one on each side of the muffler – tailor the gas flow to help produce that unmistakable Akrapovič sound

Made of austenitic stainless steel

The T-R10 is designed for each application to clear all popular after market big brake kits while achieving maximum concavity

AST ALS Adjustable Lowering Springs - BMW F87 M2 / F80 M3 / F82 M4 5 series (G30 / G31) + 49% N55LK Flow CapacityLowering Front: 15 45mm Rear: 10 30mm AST suspension lowering springs will lower that center of gravity without giving in a lot of the comfort you are used to with the OEM springs. The lowering springs are a direct replacement of the OEM springs and have been developed especially for each vehicle specific. Made out of the best material on the best Wafios coiling machines available. The ALS system incorporates specially designed spring seats which