Necessary preliminary work

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2014 BMW Alpina B7L, 2014 BMW Alpina B7, and 2013 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Remove right CYLINDER HEAD COVER
Remove FAN COWL with electric fan
Remove BELT PULLEY for air conditioning system
Remove right CHAIN TENSIONER

Mount special tool 11 9 900 at position of chain tensioner.

Preload hexagon socket screw with special tool 00 9 250 to 0.6 Nm.

Fig 1: Preloading Hexagon Socket Screw With Special Tool 00 9 250 To 0.6 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Marking (MP = Mounting Position) is important for installing special tool 11 8 570 .