BMW For sale: JB4 Pro tuning module for BMW S58 engines (new in box 📦) Compatibility: S58 engines (G80 M3 / G82 M4 / G87 M2 / F97 X3M X4M) Features and Specifications: Condition: Brand new, never used. Power Increase: +80 to +150 HP (depending on fuel type or ethanol). Direct Plug & Play Installation: Works without needing to remove the car's ECU (No ECU Unlock), and easy to remove at any time. Bluetooth Connectivity: Full control from your phone to switch between maps, read and clear fault codes, and monitor turbo temperature and pressure. Boost by Gear Control: Adjust turbo boost for initial gears to prevent wheel spin from a standstill. Included Accessories: Module + S58 wiring harness + Bluetooth module (Connect Kit).