Race Tech: Racing technology right from the 3D printer: BMW makes water pump wheel for DTM racecars

The usage of 3D printing for plastics and nowadays alloys has now progressed via leaps and bounds. Even in the field of motorsports manufacturers are toying around with 3D printing. BMW has embraced this method in their DTM and GT3 cars with a 3D printed aluminium ally water pump wheel.There are already 500 water pump wheels in DTM and Z4 GT3 in use and according to BMW, worked without a hitch in races.