Burger Motorsports B38/B46/B48/B58 JB4 Tuner
Ready to take your BMW B38/B46/B48/B58 turbo to the next level?
How about up to 60hp to the wheels (80hp crank) on a completely stock car on pump gas for a B58 or up to 40hp to the wheels for a B48? The JB4 features a simple plug and play installation harness for easy installation and includes many features not found on any other tune. Including on the fly in dash map switching between factory and various performance maps, optional in dash gauge displays for boost, boost limiting by gear for improved traction in lower gears, progressive water/methanol support, built in data logging, built in code reading, and much more. It automatically detects between the B46, B48, and B58 models at boot up making installation and setup a snap.
THIS PRODUCT IS DESIGNED FOR OFF-ROAD & RACING USE ONLY!
*Not Available in California*