bmw Workshop Repair Guides

BMW Workshop Service and Repair Manuals

1 RA Replacing Alternator Drive Belt (N40_N42_N45_N46)|Page 579 > < 1 RA Removing And Installing_replacing Balancing Shaft Housing With Balancing Shafts
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11 28 010

Replacing alternator drive belt
(N40/N42/N45/N46)

Special tools required:

11 3 340

Necessary preliminary tasks:

Remove intake hood.

Note:

If reusing drive belt:

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

Pretension drive belt tensioning device at screw (1) as far as it
will go and lock with special tool  11 3 340 .

Important!

Tensioning device for drive belt is under high spring pressure.

Press special tool  11 3 340  in as far as possible.

Remove drive belt.

Installation:

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

If contaminated with hydraulic fluid: Replace drive belt.

RA  Replacing alternator drive belt (N40/N42/N45/N46)

BMW AG - TIS

12.02.2013  01:32

Issue status (12/2007) Valid only until next DVD is issued

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1 RA Replacing Alternator Drive Belt (N40_N42_N45_N46)|Page 579 > < 1 RA Removing And Installing_replacing Balancing Shaft Housing With Balancing Shafts