Originally Posted by Beemw335
No, and I dont suggest you openly tell your dealer about what mods you do.
Just install it knowing that you will need a tune to hide the light. So if your not ok driving around witht he light, don install it or get a BMS downpipe fix.
My best friend is the head technician at don Jacobs BMW here in lexington, so im not really worried. Thank you for your help though. Ordering my jb4 this week!