AST 25mm/25mm Lowering Springs - BMW 4 Series G83 M4 Convertible 2 Series (G42) The main reason for the

The main reason for the chain stretch is due to small plastic guide that breaks and doesnt allow the main hydraulic tensioner to function correctly

F90 M5 Pre-LCI (2016-2020)

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First and foremost

AST 25mm/25mm Lowering Springs - BMW 4 Series G83 M4 Convertible 2 Series (G42) The main reason for theThe 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