With its tuned BMWs costing as much as a family house, selling 100 examples of its flagship Hurricane models is no mean feat for a company like G-Power.
To mark the milestone, the BMW tuning guru has introduced a special edition version of the E60-based M5 Hurricane RR that benefits from a 30-horsepower boost lifting the total output of the heavily-reworked and twin-supercharged 5.0-liter V10 from 789hp (800PS) to 819hp (830PS).[...]
Source:
Carscoop
https://www.tuning-links.com/news_3978_G-Power+Celebrates+Production+of+100th+Hurricane+with+819hp+Special+Edition+M5.html