The auditors focus above all on the supposed weak points of the armored car: seams between the armored components such as window joints and door frames. Iron-core ammunition, 7.62 x 39 mm caliber. Huber observes the test center shooter intently as he sets up his rifle. If this happens, the armored car he has developed will fail the official certification. “If a projectile or fragment enters the vehicle during firing, we call this penetration,” he explains. For Huber, the certification by the ballistics test center and the final explosives test are the most exciting yet tense part of the development of a BMW armored vehicle.