Originally Posted by jimmy ny
Just get Dinan stage 2 software. Make some power, no CEL issues AND still pass inspection. I also run elbows on my secondary O2 on my AA HFC X-pipe.
Does it help delay the CEL?
2013 M3 Coupe-MR/BLK ZCP, ACM test pipes, BPM Stg2 dev. tune and Megan catback, more to come
Previous rides: 2011 M3 Coupe-MR/Blk
2007 Porsche 997C2S Speed Yellow/Blk sport seats
2004 BMW M3 Imola/Blk