AST Lowering Springs- BMW 3 Series Touring (F31) Engine:320i/328i/330i/318D/320D xDRIVE and sludge from PCV gases

and sludge from PCV gases before they re-enter the intake manifold — promoting negative crankcase pressure

and prevent any code from ever being stored in the ECU due to the removal of the exhaust valves

Includes crush washer to seal inlet to check valve surface

Performance Gains: +15-20hp | +18-23Nm (on stock ECU)

and production processes

AST Lowering Springs- BMW 3 Series Touring (F31) Engine:320i/328i/330i/318D/320D xDRIVE and sludge from PCV gasesTransform your vehicles profile and performance with AST Lowering Springs. Engineered for drivers who demand a more aggressive aesthetic without sacrificing ride quality, these springs provide a significant reduction in ride height while working in perfect harmony with your factory dampers. By lowering the centre of gravity, AST springs reduce body roll during cornering and nose dive under heavy braking, resulting in a more stable and communicative