AST 5300 Series Coilovers | 2021+ BMW M3/M4 xDrive (RAC-B2115SD) Front Bumper / Lips providing a more aggressive stance

providing a more aggressive stance

Handcrafted carbon fiber rear diffuser

and F83 M4 models

Part #: TP-T/S/19/H

providing a seamless integration with the vehicle’s rear styling

AST 5300 Series Coilovers | 2021+ BMW M3/M4 xDrive (RAC-B2115SD) Front Bumper / Lips providing a more aggressive stance2021+ BMW M3 M4 xDrive5300 Series Coilovers by AST Are you the most serious person on the race track? Get to a winning setup by using all the options that our 3 way adjustable dampers have to give. All adjusters work completely independently. Once installed the shock absorbers are easy to set, highly reliable, and require low maintenance during the season because of the high grade of materials used. Tested on tracks like the Nrburgring, Zandvoort,