“Where’s the purple M3? What happened to the Knuckle Busters Car? Bring back the M3!” We hear ya. 2021 is our Carcaine retribution year, we’re gunning to have everything shreddable this year. And the ‘ol Knuckle Busters M3 ain’t too far off, so we’re handing it over to our resident BMW slideyboi Micah Diaz to get this thing shred ready once again.