Shape of the CD

Only CDs that comply with the specifications for geometric characteristics may be inserted in the CD changer.

Fig 1: CD Dimensions

Courtesy of BMW OF NORTH AMERICA, INC.

Only the CD shape shown above is permitted. In addition to this shape, the specified characteristics specified below must also be correct. The changer can only work without errors if the shape and geometric characteristics match the specifications.

The following illustration shows possible shapes that do not conform to the standard. These or similar shapes can damage the drive.

Fig 2: CD Shapes

Courtesy of BMW OF NORTH AMERICA, INC.