I have not had any error or warning lights go off in mine, but since I took delivery of my m4 June 16th, I am going to have this CAN installed anyways since it obviously needs to be in there. I hope it improves the shift points and exhaust sound as well..
The CAN was ordered and Im going into the dealer today to have it installed. I will let everyone know my thoughts later today once the service is complete.
Last edited by dondula; 10-15-2014 at 12:50 PM..
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