11 28 010 Replacing Alternator Drive Belt (N62/N62TU)

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 3 340

Necessary preliminary tasks:

Remove fan clutch with fan impeller (E65/66). See 11 52 020 REMOVING AND INSTALLING OR REPLACING FAN CLUTCH (N62) .
BMW ALPINA B7 vehicles:
- Remove radial compressor drive belt . See 11 28 010 REPLACING ALTERNATOR DRIVE BELT (N62/N62TU) .

NOTE: If the drive belt is to be reused:
Mark direction of travel and reinstall drive belt in same direction of travel.

Pretension belt tensioner slowly and carefully with a Torx socket as far as it will go and secure with special tool 11 3 340.

Fig 1: Identifying Special Tool (11 3 340)

Courtesy of BMW OF NORTH AMERICA, INC.

Remove drive belt.

IMPORTANT: If contaminated with hydraulic fluid: Replace drive belt.

Put on the drive belt.

Remove special tool 11 3 340.

Installation:

Check that drive belt is correctly positioned on pulleys.

Fig 2: Identifying Drive Belt Pulleys Position

Courtesy of BMW OF NORTH AMERICA, INC.