A BMW X5 M 555hp (E70 – 2007 – 2010) makes about 610 hp and 800 Nm with Stage 1 software, compared with 555 hp and 680 Nm from the factory. That is 55 hp and 120 Nm extra.

This is a petrol engine with a displacement of 4,395 cc and engine code S63B44A. The engine is controlled by the Siemens/Continental MSD85.

Frequently asked questions

How much power and torque does a BMW X5 M 555hp gain with Stage 1?

About 55 hp and 120 Nm: from 555 hp / 680 Nm to roughly 610 hp / 800 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a BMW X5 M 555hp use?

Siemens/Continental MSD85.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.