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Video: BMW M4 gets tuned, dyno shows exact power numbers

Tuning programs for the new BMW M3 and M4 models are slowly coming out building upon the S58 engine from the X3 M and X4 M high-performance SUVs. The guys from RaceChip have already developed an upgrade for the M4 and they did it by the book, as you would expect from a German tuner, with dyno runs and everything in between.

DREAM CAR RAFFLE: EPISODE ONE

DREAM CAR RAFFLE: EPISODE ONE

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