AST Suspension lowering springs lower your vehicle's centre of gravity to improve its handling characteristics when driving on the limit. At R44 Performance, we have run AST springs on one of our BMW G80 M3 development cars and we really liked the fact they gave an excellent drop in ride height without compromising on driving comfort and practicality.
In the video below, we install a set of AST lowering springs on our BMW G80 M3 Competition. Watch to see the installation process, before and after shots, as well as our overall opinion on the new suspension: