JB4 Burger Tuning BMW B48 / B58 Gen 2 + Wireless Bluetooth Kit

Selling a complete JB4 piggyback tuner by Burger Tuning for BMW B48 and B58 Gen 2 engines. This package includes the optional Bluetooth Wireless Connect Kit, allowing you to change maps, monitor live data, and read codes directly from your smartphone. To buy this complete kit new from the USA and import it to Europe, the total cost is around 900 € (including the product, international shipping, customs duties, and VAT). Personal Experience: I have personally run this exact JB4 on two of my cars across different platforms: a 2022 BMW 320i xDrive (B48 engine) and a 2021 BMW 545e (B58 Hybrid engine). Flawless performance on both cars, absolutely zero dashboard errors, and impressive, reliable power gains. Expected Power Gains: B48 Engines: roughly +40 to +50 HP. B58 Engines: roughly +60 to +80 HP. Why choose JB4 over a standard ECU Flash Tune? KEEP YOUR WARRANTY: It takes literally 5 minutes to install or remove (only 2-3 plugs). You can easily unplug it before a dealership service, keeping your factory warranty completely intact. CHEAP ECU FLASH UPGRADE LATER: If you eventually want a proper ECU flash tune after your warranty expires, Burger Tuning provides free Back-End Flash (BEF) maps for MHD. You will only need to pay for the MHD flasher license (which is only about 250 €) to run an advanced, high-performance hybrid setup. Why JB4 is the best on the market: Unlike RaceChip or other basic tuning boxes that are essentially garbage because they act as simple "boost controllers" (blindly tricking sensors to add pressure and risking your engine), the JB4 is highly advanced. It monitors real-time engine data, AFR (Air/Fuel Ratio), and safety parameters. It actually protects your engine while delivering huge power.