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  1. JB4 CEL idk what to do (New to the bmw world)

    Supra threw a CEL randomly while i was cruising. I have a ARMASPEED intake and a AA DP & Exhaust with JB4 for tunning and i run map 2 only. The car isnt showing reduced power atm. I want to reset the codes and see if they’ll come up again. Im just not sure how i could. Unless its as simple as...


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