BMW 7 Owners & Service Manuals
BMW 7 Series (F01/F02) 2008-2015 Service Manual / Engine / Valves With Springs

BMW 7 Series: Valves With Springs

REMOVING AND INSTALLING/REPLACING ALL VALVES (N63)

Necessary preliminary work

  • Remove LEFT CYLINDER HEAD.
  • Remove RIGHT CYLINDER HEAD.
  • Remove camshafts.

Mount cylinder head (1) on special tool 11 9 000.

Valves With Springs
Fig. 284: Mounting Cylinder Head On Special Tool 11 9 000

Prepare special tool 11 9 008 on special tool 11 9 006.

Valves With Springs
Fig. 285: Preparing Special Tool 11 9 008 On Special Tool 11 9 006

Position special tool 11 9 006 with silicone cushion on cylinder head.

Slide locks (1) in direction of arrow and pretension with eccentric shaft.

Valves With Springs
Fig. 286: Sliding Locks In Direction Of Arrow And Pretension With Eccentric Shaft

Press down valve spring with special tool 11 8 840.

Valves With Springs
Fig. 287: Pressing Down Valve Spring With Special Tool 11 8 840

Remove valve cotters (1) with a magnet.

Place valve springs and valve keys on special tool 11 4 480 in an orderly manner.

Valves With Springs
Fig. 288: Identifying Valve Cotters

IMPORTANT: Incorrect assembly possible.

Incorrect assembly will result in valve spring breakage.

Color marking (1) is normally on lower end of valve spring.

Only the diameter is decisive for the correct installation of the valve springs.

Install valve spring so that larger diameter points to spring plate at bottom.

Valves With Springs
Fig. 289: Dimensions Of Valve Spring

Arrangement:

Valves With Springs
Fig. 290: Exploded View Of Valve Assembly

  1. Valve
  2. Valve stem seal with spring cup, bottom
  3. Valve spring
  4. Top spring cup
  5. Valve keys

Release special tool 11 9 006 from cylinder head.

Remove all valves and place on special tool 11 4 480 in an orderly manner.

Valves With Springs
Fig. 291: Preparing Special Tool 11 9 008 On Special Tool 11 9 006

Assemble engine.

READ NEXT:

 Replacing All Valve Springs (N63)

Necessary preliminary work Remove LEFT CYLINDER HEAD. Remove RIGHT CYLINDER HEAD. Remove camshafts. Mount cylinder head (1) on special tool 11 9 000. Fig. 292: Mounting Cylinder Head On Special

 Replacing All Valve Stem Seals (N63)

Notes IMPORTANT: Risk of damage to sealing lip on valve stem seal. Fit new valve stem seals only when all valves have been installed. Necessary preliminary work Remove all VALVE SPRINGS. Press spe

 Variable Camshaft Timing

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 Checking Camshaft Timing On Right Side (N63)

Notes IMPORTANT: The timing can only be checked with special tool 11 9 900. The timing may be misinterpreted if it is checked without special tool 11 9 900. Cylinders 1-4: Necessary preliminary work Remove right CYLINDER HEAD COVER Remove FAN COWL with electric fan Remove BELT PULLEY for air co

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