11 28 020 Replacing tensioning device for drive belt for alternator (N55) (X6 xDrive 35i, X6 sDrive 35i)

Special tools required: 

• 11 0 390 

Necessary preliminary tasks: 

• Remove DRIVE BELT .

Remove special tool 11 0 390.

Release screw (1) on belt tensioner.

Tightening torque 11 28 1AZ .

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.