11 37 012 Removing And Installing/Replacing Left Intermediate Lever (N62 To 9/03): Installation

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Removal of intermediate levers is described separately from installation.

Clean all bearings and cams of inlet camshaft and lubricate with engine oil.

IMPORTANT: Intermediate levers (2) are divided into individual tolerance classes.
Only intermediate levers of the same tolerance class may be fitted in a single cylinder head.
The tolerance classes are designated as illustrated with the numbers from 1 to 5.
Used intermediate levers (2) may only be reused in the same position.

Lubricate all sliding surfaces on intermediate lever (2) with engine oil.

Fig 1: Identifying Intermediate Levers

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Raise torsion spring (1) with special tool 11 9 480 .

Detach special tool 11 9 490 .

Fig 2: Identifying Special Tools

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Hold torsion spring (1) with special tool 11 9 480 .

Install intermediate lever (2) from above.

Insert end of torsion spring (1) into guide on intermediate lever (2).

Fig 3: Identifying Torsion Spring With Special Tool (11 9 480)

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Raise second end of torsion spring with special tool 11 9 480 .

Detach special tool 11 9 490 .

Fig 4: Identifying Special Tool On Torsion Spring

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Hold torsion spring (1) with special tool 11 9 480 .

Install intermediate lever (2) from above.

Insert end of torsion spring (1) into guide on intermediate lever (2).

Fig 5: Identifying Torsion Spring And Intermediate Lever

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Remove special tool 11 9 474 .

Fig 6: Identifying Special Tool (11 9 474)

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Remove special tools 11 9 472 and special tools 11 9 475 .

Fig 7: Identifying Special Tools (11 9 472) And (11 9 475)

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Ends of compression rings (1) point upwards.

Make sure compression rings (1) are engaged at ends.

Fig 8: Identifying Ends Of Compression Rings Point

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IMPORTANT: Rocker arms (1) slip slightly when bearing bracket is fitted.
Make sure rocker arms (1) are secured as illustrated on hydraulic valve clearance compensating elements and on valves.

Align rocker arms (1) straight.

Fig 9: Identifying Rocker Arms

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Remove special tool 11 9 473 .

Remove bearing bracket (1) from special tool 11 9 470 .

Fig 10: Identifying Bearing Bracket

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IMPORTANT: Do not tilt bearing bracket (1).

Lower bearing bracket (1) from above and carefully bring into contact with cylinder head.

Insert nuts and tighten by hand without play.

IMPORTANT: Make sure none of the intermediate levers or rocker arms have slipped out.

Tighten down nuts from inside to outside.

Tightening torque. See ENGINE - TIGHTENING TORQUES -- ALPINA .

Fig 11: Identifying Bearing Bracket Nuts

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IMPORTANT: Do not mix up the camshaft bearing covers of cylinders 1 to 4 and 5 to 8.

Fit bearing cap R E1 in such a way that marking is legible from inlet side.

Install nuts and tighten down.

Tightening torque. See ENGINE - TIGHTENING TORQUES -- ALPINA .

Fig 12: Identifying Bearing Cap Number

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Rotate eccentric shaft at dihedral head as illustrated in order to reduce tension on torsion spring (1).

Pretension torsion spring (1) with a cable strap (2) and carefully fit on roller (3).

Fig 13: Identifying Pretension Torsion Spring With Cable Strap

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Rotate eccentric shaft at dihedral head as shown in illustration back to minimum stroke position.

Fig 14: Rotating Eccentric Shaft

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Rotate inlet camshaft in direction of rotation until cam on 5th cylinder points upwards at an angle as shown in illustration.

Fig 15: Identifying Camshaft Lobe

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Install inlet and exhaust adjustment unit on left side. See 11 36 047 REMOVING AND INSTALLING/REPLACING INLET AND EXHAUST ADJUSTMENT UNITS ON LEFT SIDE (N62/N62TU) .

Install spark plugs on cylinder bank 5 to 8.

Install left cylinder head cover. See 11 12 005 REMOVING AND INSTALLING/SEALING LEFT CYLINDER HEAD COVER (N62/N62TU) .

Install ignition coils on cylinder bank 5 to 8.

Install servomotor for left eccentric shaft. See 11 37 022 REMOVING AND INSTALLING/REPLACING SERVOMOTOR FOR LEFT ECCENTRIC SHAFT (N62/N62TU) .

Assemble engine.