Originally Posted by MidgetInBikini
This thread is so interesting.
Also, I did get in contact with BMS reps via email and both of the person i talked to said that when using their JB stage 1 for N20 engines - it will be invisible / no CEL or code - basically its safe without the need to delete these codes when going in for service. I wonder if this true. (Ofc to detach all tunes bfr going in to dealer).
I need real tuner whom have used JB1 and serviced their car under warranty with no problem. Anyone?
Replies much appreciated.
Where is the best price for BMS for F30 328i shipped?