440i MPPSK BM3 stage 2 Tuned GTS Startup and Flyby

BM3 stage 2 93 Oct tuned with some GTS startup roar and customs burble setting. Enjoy some launch and flyby actions. Should have filmed this in landscape but not sure why I asked for portrait.... sorry about that. Instagram: @f82_alvin Mod list: MPPSK CTS Turbo Catted Downpipe K&N Drop in Filter BMS Silicon Intake Pipe