BMW E39 520i 1997 Benzin 110.3KWKW Bosch 1432401 Siemens 4100 5792.Stage1

Map File ECU Ready to be installed in the car

1º Read original file to save a copy

2º Write the purchased file

Stage 1 +20% power (+20hp/30hp)

Stage 2 +30% power (+30hp/40hp) reinforced components recommended

Diesel Turbo reduces consumption by 10% with Stage 1