11 28 020 Replacing tensioning device for alternator drive belt (N63) (X6 xDrive 50i)

Special tools required: 

• 11 0 390 

Necessary preliminary tasks: 

• Remove alternator DRIVE BELT .

If necessary, remove special tool 11 0390  .

Release screw (1).

Tightening torque 11 28 1AZ .

Remove belt tensioner with idler pulley (2).

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.