According to reports the police concluded that the Wiesmann driver was travelling on the left-hand lane of the motorway when a red BMW E30 Convertible changed lanes from right to left.
While the test driver tried to avoid collision with the BMW the E30 veered further left and into the guard rail but swung back to the right. As he steered right he hit a truck, while another truck also collided with the prototype.
It seems that both the Wiessman and a number of other vehicles were damaged in the crash. Damage is estimated to be 150,000 Euros and two people were injured. The police said the driver of the BMW did not stop and is wanted for questioning.
Exactly a month ago a 911 prototype crashed on the A5 Autobahn, killing a 51-year-old Porsche engineer. Witnesses said the driver, who has been with the company for 25 years, had been driving at a high rate of speed in the 998 prototype.