A few weeks ago me and a friend taken his stock BMW M4 Competition to have a stage 2 tune and a midpipe and decat fitted and my lord what a difference these mods made, in my opinion this is how the M4 Competition should have come out of the factory anyway really hope that you enjoyed this video, if you did then please give it a thumbs up share it and don't forget to subscribe for plenty more videos to come, thanks so much for watching.

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