Originally Posted by E90Company
Welcome. Add downpipes and intercooler next
Thank you everyone. I'm thinking of just adding the intercooler and flashing the Stage 1+Intercooler map since I still have CPO warranty. Has anyone had dealer issues with downpipes on a CPO car?
08 e90 6mt: ER FMIC, CP, Tial BOV, DCI, VRSF DP, Spec 2.5 C/LWFW, Cobb