11 36 010 Removing and installing or replacing double VANOS adjustment unit (M52TU/M54/M56): Installation

WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

Installation of double VANOS adjustment unit is described separately from removal. Assembly sequence for removal and installation is different.

Check dowel sleeves (1) for damage and correct installation position.

Keep sealing faces clean and free of oil. Apply a thin and even coat of sealing compound Drei Bond 1209 to contact surface edges of separating face between cylinder head and double VANOS adjustment unit.

Fig 1: Checking Dowel Sleeves & Sealing Surfaces

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Replace seal.

Install and secure double VANOS adjustment unit.

Fig 2: Installing Double VANOS Adjustment Unit

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Attach plug connections of camshaft sensor and solenoid valves on exhaust and inlet sides.

Fig 3: Attaching Plug Connections Of Camshaft Sensor

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IMPORTANT: Left-hand threads.

Insert fitting screws for hydraulic piston on toothed shaft on inlet and exhaust sides and tighten down.

Tightening torque, refer to 11 36 4AZ in ENGINE MECHANICAL - TIGHTENING TORQUES - 530I (E39) .

Fig 4: Inserting Fitting Screws For Hydraulic Piston On Toothed Shaft

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Replace sealing caps and install with special tool 11 6 170 or with commercially available short flat nose pliers.

Fig 5: Replacing Sealing Caps

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Insert screw plugs with new sealing rings and tighten down.

Tightening torque, refer to 11 36 3AZ in ENGINE MECHANICAL - TIGHTENING TORQUES - 530I (E39) .

Fig 6: Replacing Screw Plugs With New Sealing Rings

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Fit suspension lug.

Fig 7: Fitting Suspension Lug

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NOTE: If the double VANOS adjustment unit has been replaced, you must check and, if necessary, adjust the camshaft timing.

If work has been carried out which has "no" effect on the timing and it is assured that the timing adjustment is correct, the timing check described in the following does not"" have to be conducted.

IMPORTANT: Cylinder for chain tensioning piston is under spring pressure.

Remove cylinder for chain tensioning piston.

Fig 8: Removing Cylinder For Chain Tensioning Piston

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Insert special tool 11 4 220 in cylinder head and bring adjustment screw into contact with tensioning rail.

Fig 9: Inserting Special Tool 11 4 220 In Cylinder Head

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Preload tensioning rail with special tool 11 4 220 by rotating adjusting screw with special tool 00 9 250 or standard torque wrench to 0.7 Nm.

Fig 10: Preload Timing Chain Tensioning Rail

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Pull special tool 11 2 300 back until flywheel is no longer secured in position.

Fig 11: Removing Flywheel Locking Tool

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Remove special tool 11 3 240.

Fig 12: Removing Special Tool 11 3 240

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IMPORTANT: Cover double VANOS adjustment unit; when the compressed air supply is connected, several drops of oil are sprayed out of the bore.

Fig 13: Identifying VANOS Adjustment Unit

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Connect compressed air (2 to 8 bar).

Fig 14: Connecting Compressed Air

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With compressed air supply connected, crank engine twice in direction of rotation until cam tips on inlet and exhaust camshafts on 1st cylinder face each other.

Fig 15: Cranking Engine Twice Until Cam Tips Face Each Other