BMW Z4 M40i Gets Prescribed a Dose of AC Schnitzer’s Performance Upgrades

No matter how well a car performs, there’ll always be a tuner that makes it even better. We can all agree on one thing; the German auto wizards over at AC Schnitzer aren’t playing around. Back in 1987, the firm was co-founded by Willi Kohl and Herbert Schnitzer as a subsidiary of Kohl Automobile GmbH. Ever since its birth, the company earned a reputation as a force to be reckoned with, thanks to their delicious tuning...