The JB Plus tuner fits F-series BMWs with N20, N26 or N55 engines - no coding, no laptop, no drama. Plug it in, drive away: gains of up to 35 whp and 45 wtq on N55, or 25 whp and 35 wtq on N20/N26.
Adjustable boost up to +4 psi, fully factory-safe with DME control of timing and fueling
Zero impact on MPG in normal driving - same economy, more shove
Auto-detects engine type; works with all driving modes and both pneumatic & electronic wastegates
Fast road or track day ready - simple, reliable, and the logical first step before stepping up to JB4
