ACS4 Sport - Have AC Schnitzer Improved the BMW M4?

The AC Schnitzer ACS4 Sport takes the BMW M4 and injects even more life into it. With power up from 430PS to 510PS and torque going from 550Nm to 645Nm, it packs a powerful punch along with now aero parts, wheels, lowering springs and a new exhaust system for a mighty sound from the straight-six. During Rallye Germania we stop off at the Nurburgring for a track day on the Nordschleife, with the on

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