BMW 5 serie E39 - 1995 - 2003 520i 150hp

ECU tuning files for the BMW 5 serie E39 - 1995 - 2003 520i 150hp are written and tested by professional calibrators. Each chiptuning file (Stage 1, Stage 2 and additional services like DPF OFF, EGR OFF and AdBlue removal) is programmed using the latest software and validated through years of remapping experience on the BMW 5 serie platform.

Bee Chiptuning specializes in custom ECU remapping for BMW vehicles. Every tuning file we deliver is designed for the best performance gains with a real safe margin remap that respects the limits of your hardware. Whether you want more horsepower, more torque, improved throttle response or better fuel economy, our dyno-tested calibrations deliver consistent and repeatable results on the 520i 150hp.