Mercedes-Benz Stage1 to JB4 BETA Upgrade Kit
Upgrades your Stage1 to a JB4 including a new CANbus based control board and OBDII add on cable. Allows full data logging, more map options, smoother and stronger tuning performance, boost by gear for improved traction, and many more features to come.
Based in Simi Valley, California, Burger Motorsports is a manufacturer of high quality performance parts including the famous JB4 tuner, a wide range of air intakes, oil catch cans, and beautiful custom exhaust tips.
