33 11... Replacing O-ring for side cover on rear differential on left or right (M3)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks

Mark installation position of side cover (2) to housing.

Release bolts along line (1).

Press cover (2) with two screwdrivers off housing.

Installation:

Markings (3) on cover and housing must match up.

Fig 1: Identifying Mark Position Of Side Cover To Housing

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Tighten screws crosswise.

Tightening torque 33 11 4AZ .

Raise mount and remove cover (1) with ring (2).

Installation:

Insert cover with ring in housing.

Raise mount and slide in cover as far as it will go.

Fig 2: Identifying Cover With Ring On Housing

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Installation:

Clean contact surface (1) for O-ring all round.

Fig 3: Identifying Contact Surface Of O-Ring

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Replace O-ring (1).

Installation:

Keep drain opening (2) for gear oil clean.

Moisten O-ring with

hypoid oils for final drive unit with disc-type limited-slip differential (M models). See REAR AXLE - OPERATING FLUIDS ..

Fig 4: Identifying O-Ring And Drain Opening

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After installation