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.

Fig 1: Identifying Plug

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Release bearing pin (1) from timing chain module on cylinder head.

Tightening torque 11 31 5AZ .

Fig 2: Identifying Bearing Pin

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Release bearing pin (1) from timing chain module on crankcase.

Tightening torque 11 31 4AZ .

Fig 3: Identifying Bearing Pin

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IMPORTANT: Install special tool 11 4 280 to release the central bolts on the inlet and exhaust adjustment units.

Secure special tool 11 4 283 to cylinder head with bolts (1).

NOTE: Fit special tool 11 4 282 underneath on side of inlet camshaft.

Fig 4: Identifying Special Tools Fitted To Camshaft And Cylinder Head

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Mount special tool 11 4 281 on inlet and exhaust camshafts.

Do not remove special tool 11 4 280 .

Remove INLET AND EXHAUST ADJUSTMENT UNIT .

Release bolts (1) from timing chain module on cylinder head.

Tightening torque 11 31 3AZ .

Remove chain module with timing chain and sprocket wheel upwards in direction of arrow.

Fig 5: Removing Chain Module With Timing Chain And Sprocket Wheel Upwards

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IMPORTANT:

Note installation direction of sprocket wheel (2).

Collar (see arrow) on sprocket wheel (2) points to engine.

Incorrect assembly will result in engine damage.

Fig 6: Identifying Sprocket Wheel

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Pull timing chain (1) upwards until sprocket wheel (2) engages chain guide (3).

Install timing chain (1) and sprocket wheel (2) in this position.

Installation:

Always hold timing chain (1) under tension. Timing chain (1) may jam on chain guide (3).

Fig 7: Identifying Timing Chain And Chain Module

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Install hub with central bolt.

Tighten down special tool 11 5 200 with screws (1) to hub.

Fig 8: Identifying Screws With Special Tool (11 5 200)

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Remove TENSIONER for drive belt.

Screw in special tool 11 4 362 from special tool kit 11 4 360 .

Mount special tool 11 9 280 on 11 5 200 .

Support special tool 11 9 280 on special tool 11 4 362.

Special tool 11 0 300 secures crankshaft.

Tighten central bolt to jointing torque.

Tightening torque 11 21 1AZ .

Mark central bolt and hub with paint.

Fig 9: Identifying Special Tool (11 9 280, 11 4 360, 11 5 200 And 11 0 300)

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Mark special tools with colored line (1).

See picture.

IMPORTANT: Do not remove the special tool while tightening the central bolt to torsion angle.

Risk of damage!

Fig 10: Identifying Colored Line

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If necessary, tighten central bolt to torsion angle with special tool 00 9 140 .

Tightening torque 11 21 1AZ .

Tighten central bolt with a second person helping.

Tightening torque 11 21 1AZ .

Install INLET AND EXHAUST ADJUSTMENT UNITS .

Install CHAIN TENSIONER .

Fig 11: Identifying Special Tool (11 9 280, 11 4 360, 11 5 200 And 11 0 300)

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Crank engine twice.

Check TIMING .

If necessary, adjust VALVE TIMING .

Assemble engine.