S58 JB4 Tuner for 2021+ BMW G80 M3, G82 G83 M4, & 2023+ G87 M2 | R 18400 – Check Prices Buy Online

S58 JB4 Tuner for 2021+ BMW G80 M3, G82 G83 M4, & 2023+ G87 M2 Summary

The S58 JB4 tuner offers gains of 80whp/100wtq on pump gas and up to 150whp/175tq on higher octane or E85 mixtures. It allows for a wide range of tuning options from stock to full race, including features like user-adjustable boost limiting, smartphone integration, ethanol support, and advanced diagnostic tools. Installation is easy without splicing wires, and the tuner is compatible with iOS, Android, and Windows devices. Key features include improved performance, multiple tuning maps, fault code reading, real-time parameter monitoring, boost control by gear, and a plug-and-play installation. The product comes with a 5-year warranty, free USA shipping, and is made in the USA. The JB4 is compatible with various BMW models like the G80 M3, G82 M4, and G87 M2. It is a versatile plug-and-play tune that enhances vehicle performance through advanced connections and features.