May 01, 2024 BMW E9X M3 S³M Sequential Switchback Side Markers, Smoked Customer supplied OEM side marker housings converted to sequential switchback operation with smoked lenses. Order Here Share Share on Facebook Back to Video Build Logs Featured Products Acura Integra (94-01) Headlight Performance & Style Package From $ 750 View Acura RDX (2007-2012) Headlight Performance & Style Package From $ 350 View