The Bridgestone BMW Club Racing Series is back in Gauteng and visits Zwartkops Raceway for the first time in 2021 on June 5 as part of the BMW Gauteng Car Club Trackday. After the last outing at Phakisa at the end of April, there will be a lot to look forward to. William Einkamerer (BTAS BMW E92 335i) took his first win in Class A and will have barely wiped the smile off his face, as he prepares to take…