AUTO: AUG 21 Rolex Monterey Motorsports Reunion

August 21, 2016: Engine for the 1987 BMW Alpina M3 driven by Andreas Bovensiepen from Buchloe, Bavaria (#22) which competed in Group 5B warmed up in the paddock at the Rolex Monterey Motorsports Reunion held August 18-21, 2016 at Mazda Raceway in Monterey CA. (Photo by Allan Hamilton/ Icon Sportswire)