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Experience improved control
The design also emphasizes heat dissipation
and consistent stopping power
Necessary Hardware and Mounting Components
providing a seamless fit and a clean
AST 5200 Series Coilovers | 2021+ BMW M3/M4 (RIV-B2112SD) YMM_1995_1998_Nissan_200SX_II_B14 Experience improved controlAST 5200 Series Coilovers Fitment: 2021+ BMW M3 M4 Part #: RIV B2112SD Overview The AST 5200 Series Coilovers are high performance suspension components designed specifically for the 2021 and newer BMW M3 and M4 models. Crafted for automotive enthusiasts who seek enhanced handling, superior ride quality, and precise control, these coilovers are ideal for both spirited street driving and track day applications. They help optimize your vehicles stance