Bmw B38 Tune
The JB4 is the most advanced and highly featured tuning system available for your B38, B46, and B48 powered BMW. Power gains are up to 40hp to the wheels (55hp crank) for a B48. A detailed look at the BMW B38 three-cylinder engine, covering reliability, efficiency, tuning potential, and the models that use it.
Guide to Tuning the BMW B38 Engine "All you need to know about tuning mods and performance parts on the BMW B38 engine!" Introduced in 2013, the B38 is part of BMW's modular engine family, signaling a departure from conventional powerplant design philosophies. The JB4 is the most advanced and highly featured tuning system available for your B38, B46, and B48 powered BMW. Power gains are up to 40hp to the wheels (55hp crank) for a B48, gains with bolt-on parts, higher octane, E85 mixtures, and larger turbos are even higher.
Burger Motorsport JB4 Performance Tuner - BMW B38/B46/B48 The JB4 is the most advanced and highly featured tuning system available for your B38, B46, and B48 powered BMW. Power gains are up to 40hp to the wheels (55hp crank) for a B48, gains with bolt-on parts, higher octane, E85 mixtures, and larger turbos are even higher. JB4 Tuner for BMW B48, B58, and Mini vehicles.
Tune your engine and add up to 80whp with 8 pre. This Dahler Tuning DAHLer BMW Engine Performance Tuning - B38 (Mfg#DAHELECS-TUNE-B3) fits BMW i8 B38 1.5L, MINI S E ALL4 B38X. BMW i8 B38 TUNING.
Tuning a car is a delicate thing. Whether it's an ECU remap, a new turbo or a full-on stage three tuning, you need to make sure each component is working at optimal efficiency under careful supervision of a sufficiently smart engine management system. Plug in up to 40 extra wheel horsepower in seconds with our top-rated JB Plus quick install BMW tuner, specifically designed for B38, B46, B48, and B58 engines.
Made in USA. JB4 tuning system boosts your BMW B38, B46, B48 up to 40hp with easy plug & play install, in-dash map switching, data logging, boost control & more!