Tuning file BMW 5 serie (E39 - 1995 - 2003) 523i 170hp

GO Chiptuning is leading in the development of BMW 5 serie 523i 170hp chiptuning files. The development of each BMW 5 serie 523i 170hp chiptuning file is the result of perfection and dedication by GO Chiptuning programmers. The organization only uses the latest technologies and has many years experience in ECU remapping software. Many (chiptuning) organizations around the globe download their chiptuning files for BMW 5 serie 523i 170hp at GO Chiptuning for the best possible result. All BMW 5 serie 523i 170hp chiptuning files deliver the best possible performance and results within the safety margins.

• 100% custom made chiptuning file guarantee;
• Tested and developed via a 4x4 Dynometer;
• Best possible performance and results, within the safety margins;
• Reduced fuel consumption.