11 33 517 Removing and installing/replacing rocker arms on right inlet side (N62 from 9/03): Installation

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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.

Fig 1: Identifying Compression Rings

G03289194

Courtesy of BMW OF NORTH AMERICA, INC.

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

Install rocker arms (1) on inlet side.

Fig 2: Installing Rocker Arms On Inlet Side

G03289195

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Remove special tool 1 9 473.

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

Fig 3: Removing Bearing Bracket From Special Tool

G03289196

Courtesy 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.

Fig 4: Lowering Bearing Bracket

G03289197

Courtesy of BMW OF NORTH AMERICA, INC.

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 11 31 1AZ. Refer to ENGINE - TIGHTENING TORQUES .

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

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

Fig 5: Identifying Bearing Cap Marking

G03289198

Courtesy of BMW OF NORTH AMERICA, INC.

Install nuts and tighten down.

Tightening torque 11 31 1AZ. Refer to ENGINE - TIGHTENING TORQUES .

Rotate inlet camshaft at hexagon head against direction of rotation until cam on 1st cylinder points downwards at an angle as shown in illustration.

Fig 6: Identifying Inlet Camshaft Hexagon Drive Marking Position

G03289199

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The marking (1) on the hexagon drive of the inlet camshaft faces upwards.

Install inlet and exhaust adjustment unit on right side. Refer to 11 36 048 Removing and installing/replacing inlet and exhaust adjustment units on right side (N62) .

Install spark plugs on cylinder bank 1 to 4.

Install right cylinder head cover. Refer to 11 12 006 Removing and installing / sealing right cylinder head cover (N62 / N62TU) .

Install ignition coils on cylinder bank 1 to 4.

Install servomotor for right eccentric shaft. Refer to 11 37 024 Removing and installing/replacing servomotor for right eccentric shaft (N62) .

Assemble engine.