11 37 012 Removing and installing/replacing left intermediate levers (N62 from 9/03 and N62TU)

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, see ENGINE - SPECIAL TOOLS - 5-SERIES (E60) .

Special Tools Required:

11 9 470
11 9 472
11 9 473
11 9 474
11 9 475
11 9 480
11 9 490

(Cylinder Bank 5 To 8)

Removal of intermediate levers is described separately from installation.

Necessary Preliminary Tasks:

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

Remove ignition coils on cylinder bank 5 to 8.

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

Remove spark plugs on cylinder bank 5 to 8.

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

IMPORTANT: The inlet camshaft must first be rotated so that when the bearing bracket is removed the intermediate levers do not slip out and damage the camshaft.

Rotate inlet camshaft against direction of rotation until lettering (1) on 8th cylinder points upwards in cylinder axis and cam is horizontal.

Fig 1: Rotating Inlet Camshaft

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.

NOTE: Bearing caps of inlet camshaft are marked on cylinder bank 5 to 8 with R E1 to R E5 from inlet side.

Fig 2: Identifying Mark On Bearing Cap

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts and remove bearing cap R E1.

Release 8 nuts of bearing bracket (1) from outside to inside.

Fig 3: Locating Nuts Of Bearing Bracket

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Rocker arms are freely accessible after bearing bracket has been removed. Do "not" remove rocker arm (1) on inlet side.

IMPORTANT: Rockers arms (1) are divided into individual tolerance classes. The tolerance classes are designated as illustrated with the numbers from 1 to 4. Used rocker arms (1) may only be reused in the same position.

When replacing rocker arms (1) on inlet side: install rocker arms of the same tolerance class in the same position.

Fig 4: View Of Rocker Arm

Courtesy of BMW OF NORTH AMERICA, INC.

Clamp special tool 11 9 470 as illustrated in a vise.

Fig 5: Clamping Special Tool In Vise

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not tilt bearing bracket (1).

Carefully lift out bearing bracket (1).

Fig 6: View Of Bearing Bracket

Courtesy of BMW OF NORTH AMERICA, INC.

Place bearing bracket (1) with inlet camshaft and eccentric shaft as illustrated on special tool 11 9 470.

Fig 7: Placing Bearing Bracket On Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Secure bearing bracket (1) with a nut (special tool 11 9 473).

IMPORTANT: The lower section of the bearing bracket (1) is machined with the cylinder head and must not be mixed up.

NOTE: Lower section of bearing bracket (1) remains on cylinder head.

Fig 8: Identifying Lower Section Of Bearing Bracket

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The mounting of the bearing bracket described later can only be carried out if the inlet camshaft has not been axially displaced.
Special tools 11 9 472 and 11 9 475 prevent the inlet camshaft from rotating and moving while the intermediate levers are installed.

Fit special tool 11 9 472 and secure with special tool 11 9 475.

Fig 9: Attaching Bearing Bracket To Support

Courtesy of BMW OF NORTH AMERICA, INC.

Insert special tool 11 9 474 and initially tighten without play.

Fig 10: Inserting Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Removal of intermediate levers is described on 8th cylinder. The same procedure is applicable to cylinders 5 to 7.

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

Fig 11: View Of Intermediate Lever

Courtesy of BMW OF NORTH AMERICA, INC.

Lift out intermediate lever (2) and set down in an orderly fashion.

IMPORTANT: Keep holding torsion spring (1) with special tool 11 9 480.

Attach special tool 11 9 490 to end of torsion spring.

Fig 12: Attaching Special Tool To End Of Torsion Spring

Courtesy of BMW OF NORTH AMERICA, INC.

Support end of torsion spring protected with special tool 11 9 490 on inlet camshaft.

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.

Fig 13: Identifying Intermediate Lever

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 14: Raising Second End Of Torsion Spring

Courtesy of BMW OF NORTH AMERICA, INC.

Lift out intermediate lever (2) and set down in an orderly fashion.

IMPORTANT: Keep holding torsion spring (1) with special tool 11 9 480.

Attach special tool 11 9 490 to second end of torsion spring.

Fig 15: Attaching Special Tool To Second End Of Torsion Spring

Courtesy of BMW OF NORTH AMERICA, INC.

Support end of torsion spring protected with special tool 11 9 490 on inlet camshaft.

Installation:

Removal of intermediate levers is described separately from installation.

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

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

Fig 16: Identifying Intermediate Lever

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 17: Raising Torsion Spring With Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Detach special tool 119 490.

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

Fig 18: Holding Torsion Spring With Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Install intermediate lever (2) from above.

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

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

Fig 19: Raising Second End Of Torsion Spring With Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Detach special tool 119 490.

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

Install intermediate lever (2) from above.

Fig 20: Installing Intermediate Lever

Courtesy of BMW OF NORTH AMERICA, INC.

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

Remove special tool 119 474.

Fig 21: Removing Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 22: Removing Special Tools

Courtesy of BMW OF NORTH AMERICA, INC.

Ends of compression rings (1) point upwards.

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

Fig 23: View Of Compression Rings

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.

Fig 24: Identifying Rocker Arms