Replace aluminium screws

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 328xi, and 2010 BMW 328i. However, it is still accessible from the selected car via links, so may be relevant.

Remove oil deflector (2).

NOTE: Graphic shows the screw connection of the oil deflector (2) for vehicles with optional extra SA203 (all-wheel drive).

Fig 1: Identifying Screws And Oil Deflector

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Release screws (1).

Tightening torque 11 11 2AZ .

Unfasten screws (2).

Tightening torque 11 11 3AZ .

Installation:

Fig 1: Identifying Aluminium Screws

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Release screws (1).

Tightening torque 11 11 4AZ .

Unfasten screws (2).

Tightening torque 11 11 2AZ .

Installation:

Fig 1: Crankcase Bolts Tightening/Loosening Sequence

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Release steel screws (1 to 14) from outside inwards.

Tightening torque 11 11 1AZ .

Release screws (1).

Tightening torque 11 11 3AZ .

Installation:

Lift out bedplate.

Fig 1: Identifying Screws

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Remove crankshaft (1) in direction of arrow.

IMPORTANT: Remove crankshaft with aid of a second person.
Weight of crankshaft approx. 25 kg.

Remove BEARING SHELLS (2) and guide bearing shell (3), replace if necessary.

Clean all sealing faces with special tool 11 4 470 .

Fig 2: Identifying Bearing Shells

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Check adapter sleeves (1) for damage and secure seating; replace if necessary.

Install all BEARING SHELLS .

Installation:

Lubricate all bearing points with engine oil.

NOTE: Graphic shows N46.

Fig 3: Identifying Adapter Sleeves

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Insert crankshaft (1).

IMPORTANT: Install crankshaft with aid of a second person.
Weight of crankshaft approx. 25 kg.

Fig 4: Identifying Crankshaft

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Tighten steel screws (1 to 14) from inside outwards.

Tightening torque 11 11 1AZ .

Tighten screws (2) from inside outwards.

Tightening torque 11 11 2AZ .

Tighten screws (1).

Tightening torque 11 11 4AZ .

Installation:

Fig 1: Crankcase Bolts Tightening/Loosening Sequence

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Tighten aluminium screws exclusively with special tool 00 9 120 .

IMPORTANT:

In the case of aluminium screws, jointing torque and angle of rotation must be observed without fail.

Fig 2: Tightening Main Bearing Bolts Using Special Tool (00 9 120)

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Set up stand with magnetic foot (1) on special tool 11 4 440 .

Set up special tool 00 2 510 on stand.

Position special tool 00 2 510 on crankshaft.

Move crankshaft in direction of arrow.

Determine BEARING PLAY .

Fig 3: Direction Of Moving Crankshaft

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Drive in both nozzles (1) with special tool 11 9 360 on left and right into crankcase.