Inside BMW Group Classic - the elusive BMW M8 (E31) prototype. •11 mar 2021 BMW Group Classic Inside BMW Group Classic is back! And this time, hosts Benny and Christoph take a trip to the BMW M studio, to take a peek under the hood of a BMW legend — the BMW M8 prototype! Hidden away for nearly 20 years, the M8 prototype was finally revealed to the public in 2010. Want to see it? Want to hear it? Now’s your chance!