AST 30mm/20mm Lowering Springs - BMW 5 Series F90 M5 M340i There’s no cutting

There’s no cutting

Additional 55hp on a stock vehicle

Zero cutting

For drivers wanting a louder soundtrack from their system the non-resonated option is for you

track oil temperatures (limp mode) when testing with the upgraded CSF cooler on the vehicle versus the OEM cooler

AST 30mm/20mm Lowering Springs - BMW 5 Series F90 M5 M340i There’s no cuttingThe AST Lowering springs offer a solution to reduce your vehicles center of gravity while preserving the comfort youre accustomed to from the original equipment manufacturer (OEM) springs. These springs serve as a direct replacement for your OEM springs and have been developed especially for each vehicle specific. Crafted from premium materials using the best Wafios coiling machines. Their progressive design strikes the perfect balance between