Removing the intake camshaft of cylinder bank 1

• Mark guide bearing shells of the intake camshaft as shown in the graphic from (E1)  to (E5)  .
• Slacken the screws of the guide bearings with position numbers (1)  and (4)  in multiple steps by one half turn at a time.
• Remove guide bearing shells.
• Remove intake camshaft.

Courtesy of BMW OF NORTH AMERICA, INC.