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 variant/trim than selected.

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: Installing Compression Rings

Courtesy 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: Installing Rocker Arms On Inlet Side

Courtesy of BMW OF NORTH AMERICA, INC.

Remove special tool 11 9 473.

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

Fig 3: Removing Bearing Bracket From Special Tool 11 9 470

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.

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 .

Fig 4: Tightening Bearing Bracket Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

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 .

Fig 5: Fitting Bearing Cap R E1

Courtesy 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: Installing Pretension Torsion Spring With Cable Strap On Roller

Courtesy 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 At Dihedral Head

Courtesy 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: [Rotating Inlet Camshaft

Courtesy of BMW OF NORTH AMERICA, INC.

Install inlet and exhaust adjustment unit on left side.

Install spark plugs on cylinder bank 5 to 8.

Install left cylinder head cover .

Install ignition coils on cylinder bank 5 to 8. See IGNITION COIL .

Install servomotor for left eccentric shaft.

Assemble engine.