AST 30mm/20mm Lowering Springs - BMW 5 Series F90 M5 M340i For drivers wanting a louder

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

Additional 55hp on a stock vehicle

our thermostat dress up kit for the BMW N55/N54 and S55 engines offers a high-quality aesthetic update to the OE thermostat cover

this makes the piece OEM looking but unique in its design to other options on the market

AST 30mm/20mm Lowering Springs - BMW 5 Series F90 M5 M340i For drivers wanting a louderThe 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