11 31 051 Replacing timing chain (M62 up to 9/98): Installation

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.

Installation of timing chain is described separately from removal. Assembly sequence for removal and installation is different.

Check guide, reversing and tensioning rails, replace if necessary.

Check sprockets and replace if necessary.

Install guide rail.

Install all screws
Tighten screws (1)
Tighten screw (3)
Tighten down screw (2) for oil separator

Fig 1: Installing Guide Rail

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NOTE: There is a small bore in the throttle ring (1). Check throttle ring (1), replace if necessary.

Insert throttle ring (1) in reversing rail
Replace O-ring (2) and insert in reversing rail
Replace O-ring (3)

Coat O-ring (3) with oil as lubricant.

Fig 2: Inserting Throttle Ring (1) In Reversing Rail

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Install reversing rail and insert screws (2 and 3).

NOTE: Screws (2) with M6 thread.
Screws (3) with M7 thread.

Tightening torque for screws (2 and 3), refer to 11 31 10AZ in ENGINE - TIGHTENING TORQUES - 540i .

Fig 3: Installing Reversing Rail And Insert Screws (2 And 3)

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Replace grub screw (1).

Insert grub screw only until it makes contact with angle section (1) without play, do not tighten down.

NOTE: The grub screw (1) secures the angle bracket in the cylinder head.

Fig 4: Replacing Grub Screw (1)

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Replace O-ring.

Install oil guide for bow cover in the pivot rail.

Tighten down bow cover.

Fig 5: Installing Oil Guide For Bow Cover In The Pivot Rail

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Install new timing chain.

Fit sprocket with chain to inlet camshaft on cylinder bank 5 to 8 with long bores aligned centrally.

Install two screws and fit flush.

Fig 6: Fitting Sprocket With Chain To Inlet Camshaft On Cylinder Bank 5 To 8

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Fit sprocket with chain to inlet camshaft on cylinder bank 1 to 4 with long bores aligned centrally.

Brace sprocket, press bow cover against the timing chain and check position of long bores on both cylinder banks.

If necessary, remove sprockets once again and align long bores centrally.

Fig 7: Fitting Sprocket With Chain To Inlet Camshaft On Cylinder Bank 1 To 4

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Fit sensor gear in such a way that mark on sensor gear points upward in cylinder shaft.

Insert screws and fit flush.

Fig 8: Fitting Sensor Gear

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Insert remaining three screws on inlet camshaft on cylinder bank 5 to 8 without play.

Fig 9: Inserting Remaining Three Screws On Inlet Camshaft On Cylinder Bank 5 To 8

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Press bow cover against the timing chain. Secure bow cover with a plastic strap (1).

Fig 10: Identifying Bow Cover With A Plastic Strap (1)

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Remove timing case cover, bottom, refer to 11 14 110 REMOVING AND INSTALLING TIMING CASE COVER, BOTTOM (M62 VANOS FROM 9/98) .

Install upper oil sump section, refer to 11 13 010 REMOVING AND INSTALLING/REPLACING UPPER SECTION OF OIL PAN (M62) .

Secure crankshaft in TDC position with special tool 11 2 300.

Fig 11: Identifying Crankshaft In Tdc Position With Special Tool 11 2 300

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Attach special tool 11 7 380 to right cylinder head (cylinder bank 1 to 4).

Fig 12: Attaching Special Tool 11 7 380 To Right Cylinder Head

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Install special tool 11 3 390 in special tool 11 7 380.

Tighten bow cover by turning the adjusting screw on the special tool 11 3 390 with special tool 00 9 250 to 0.7 Nm.

Fig 13: Attaching Special Tool 00 9 250 From Underside

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NOTE: If installation tolerance is unfavorable, attach special tool 00 9 250 from underside.

Fig 14: Identifying Sprocket To Inlet Camshaft On Cylinder Bank 5 To 8

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Secure sprocket to inlet camshaft on cylinder bank 5 to 8.

Tightening torque, refer to 11 31 3AZ in ENGINE - TIGHTENING TORQUES - 540i .

Secure sprocket to inlet camshaft on cylinder bank 1 to 4.

Fig 15: Identifying Sprocket To Inlet Camshaft On Cylinder Bank 1 To 4

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Remove special tools 11 2 444 / 443 / 441 / 445.

Fig 16: Removing Special Tools 11 2 444 / 443 / 441 / 445

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Remove special tools 11 2 444 / 443 / 442 / 446.

Fig 17: Removing Special Tools 11 2 444 / 443 / 442 / 446

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Install oil lines on left and right of cylinder head.

Fig 18: Installing Oil Lines On Left And Right Of Cylinder Head

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Relieve load on special tool 11 3 390 and remove with special tool 11 7 380.

Install timing case cover, top left, refer to 11 14 085 REMOVING AND INSTALLING TIMING CASE COVER, TOP RIGHT (M62 VANOS FROM 9/98) .

Install chain tensioning piston, refer to 11 31 090 INSTALLING AND REMOVING / REPLACING PISTON FOR CHAIN TENSIONER (M62) .

Install timing case cover, top right, refer to 11 14 080 REMOVING AND INSTALLING TIMING CASE COVER, TOP LEFT (M62 VANOS FROM 9/98) .

Fig 19: Identifying Special Tool 11 7 380

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Remove special tool 11 2 300.

Assemble engine.

Fig 20: Removing Special Tool 11 2 300

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