BMW X5M F15 50D – Etuners Stage1 The monstrous X5M F15 produces 386bhp according to BMW, out of its N57S tri-turbo engine. The stock engine calibration is tuned in a way that older models would consider a remap – straight out of the factory. Operating at 2.5bar stock, it is by far...
Read moreBMW X5M F15 50D – Stage1
