German tuner AC Schnitzer unveils its GP3.10 Concept, based on the 3-series coupe. It boasts a V10 engine — from the M5/M6 — that produces an incredible 552hp and 398 lb-ft torque. First picture in gallery.
The driver can switch between fuel sources (gasoline or LPG) at any time, and LPG is readily available in Germany (2,700 filling stations, according to AC Schnitzer). There is the added benefit that CO2 emissions when running on the LPG are 15% lower than when on gasoline