Quote:
Originally Posted by e39_touring
Good job on the install! I highly recommend flashing the eu2 tune (factory euro catless tune). The exhaust smell will go down 80-90%, no cel, and you'll see a little better mileage. Without the rear o2's, the x is running pig rich as the ecm is constantly testing catalytic efficiency.
|
Did you do it yourself? I've been holding off as this is my daily while my project car is apart, don't want to accidentally brick the dme.
Sent from my Pixel 4 XL using Tapatalk