Control of the project was turned over to Klaus Faust when Bez left BMW in October 1988 .
The director of BMW Technik GmbH was Ulrich Bez , who oversaw the Z1 's development .
Control of the project was turned over to Klaus Faust when Ulrich Bez left BMW in October 1988 .
The director of BMW Technik GmbH was Ulrich Bez , who oversaw the Z1 's development .