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11 33 516 Removing And Installing/Replacing Rocker Arms On Left Inlet Side (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.

Installation of rocker arms is described separately from removal.

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

Ends of compression rings (1) point upwards.

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

Fig 1: Identifying Ends Of Compression Rings Point
G04739838Courtesy of BMW OF NORTH AMERICA, INC.

Install rocker arms (1) on inlet side.

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 2: Identifying Rocker Arms
G04739839Courtesy of BMW OF NORTH AMERICA, INC.

Remove special tool 11 9 473  .

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

Fig 3: Identifying Bearing Bracket
G04739802Courtesy of BMW OF NORTH AMERICA, INC.
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.
Fig 4: Identifying Bearing Bracket Nuts
G04777046Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down nuts from inside to outside.

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

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 5: Identifying Bearing Cap Number
G04773855Courtesy of BMW OF NORTH AMERICA, INC.

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 6: Identifying Pretension Torsion Spring With Cable Strap
G04776838Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 7: Rotating Eccentric Shaft
G04776839Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 8: Identifying Camshaft Lobe
G04777093Courtesy of BMW OF NORTH AMERICA, INC.

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.