11 28 010 Replacing alternator drive belt (M52 / S52 / M52TU / M54 / M56)

WARNING: This page is about a different car, the 2005 BMW 530i, 2005 BMW 525i, 2004 BMW 530i, and 2004 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If the drive belt is to be subsequently reused:

Mark direction of travel and reinstall drive belt in same direction of travel.

Necessary preliminary tasks:

Remove fan clutch with fan impeller.
Remove A/C compressor Drive Belt .
E85/E60: Remove radiator cover. See 17 11 000 REMOVING AND INSTALLING RADIATOR .
E85/E60: Remove fan cowl. See 17 11 031 REMOVING AND INSTALLING/REPLACING FAN COWL & FAN .

Remove cap from tensioning roller.

Fig 1: Removing Cap From Tensioning Roller

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Relieve tension on belt drive.

Remove drive belt.

IMPORTANT: Drive belt must be replaced if fouled with hydraulic fluid.

Installation:

Check drive belt for coolant and oil residues, replace if necessary.

Fig 2: Removing Drive Belt

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Installation:

Check that belt is correctly positioned on belt pulleys.

Fig 3: Checking That Belt Is Correctly Positioned On Belt Pulleys (1 Of 2)

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Version with auxiliary tensioning roller.

Fig 4: Checking That Belt Is Correctly Positioned On Belt Pulleys (2 Of 2)

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Installation:

Locking device of auxiliary tensioning roller must snap into groove on alternator.

Fig 5: Locating Locking Device Of Auxiliary Tensioning Roller (1 Of 3)

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Version on E85.

Fig 6: Locating Locking Device Of Auxiliary Tensioning Roller (2 Of 3)

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Version on E60/E65.

Fig 7: Locating Locking Device Of Auxiliary Tensioning Roller (3 Of 3)

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