11 28 060 Removing and installing/replacing belt tensioner for A/C compressor (S65)

IMPORTANT: Mixed installation of the assemblies is not permitted. Mixed installation will result in failure of the steering assistance.
Mark the direction of rotation of the drive belt if it is to be reused.
Replace the drive belt if it is fouled with coolant or engine oil.

Necessary preliminary tasks:

Remove fan cowl with electric fan. See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (S65) .
Remove A/C compressor drive belt.

Release screw (1).

Release screw for power steering high-pressure line.

Release screws (2).

Remove belt tensioner (3) with fixture.

Installation:

Fig 1: Identifying Belt Tensioner And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Observe the installation direction if the belt tensioner is replaced individually.

The lettering TOP must point upwards.

Different idler pulleys for c.c.w.- and c.w.-rotating power steering pumps.

Tightening torque: 11 28 1-2AZ . See 11 28 DRIVE BELT .

Assemble engine.