BMW 745i Chip Tuning

Chip Tuning for BMW 745i again available. Increase power by 100-250 HP. Typical easily achieved power level is 400 HP. Cost only about one euro or one dollar per HP. Check complete description at http://www.viinikellari.com/745/chip.htm .

I didn't think any gas engines from BMW came with turbo???? Please clarify this.