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 FAN COWL
Remove A/C compressor DRIVE BELT
Remove alternator DRIVE BELT
Remove belt pulley for A/C system

Release screw (1).

Tightening torque 11 28 1AZ .

Remove belt tensioner with idler pulley (2).

Fig 1: Identifying Screw And Idler Pulley

Courtesy of BMW OF NORTH AMERICA, INC.

Secure special tool 11 8 090 with three screws (1) to vibration damper.

Secure special tool 11 8 090 with belt tensioner bolt (2) to timing case cover.

Tightening torque 11 28 1AZ .

NOTE: A 3/4 inch tool is needed to release the central bolt.

Release central bolt on vibration damper.

Fig 2: Securing Special Tool 11 8 090 With Belt Tensioner Bolt To Timing Case Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Secure central bolt with special tool 00 9 140 or 11 3 460 .

Position special tool 11 3 460 on special tool 11 8 090 .

Adjust special tool 11 9 453 on special tool 11 9 454 using clamping screw to 0° on scale.

Tightening torque 11 23 1AZ .

Fig 3: Adjusting Special Tool 11 9 453 On Special Tool 11 9 454 Using Clamping Screw To 0° On Scale

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.