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

Valve
Valve stem seal with spring cup, bottom
Valve spring
Top spring cup
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.

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Using this Owner's Manual

Orientation The fastest way to find information on a particular topic is by using the index. An initial overview of the vehicle is provided in the first chapter. Validity of the Owner's Manual Production of the vehicle At the time of production at the plant, the printed Owner's Manual is the most c

Device

Device MW Replaced by: 0492079 Note: (Fixture) For all rear axle final drives - model year: From 88 - Replaced by 33 1 070.(0 492 079) Fig. 1: Identifying Device (331030) Device MW Note: For removing and installing rubber mount in support tube of rear axle final drive mounting. SI number 01 01 89

BMW 7 Series: Valves With Springs

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Replacing All Valve Springs (N63)

Replacing All Valve Stem Seals (N63)

Variable Camshaft Timing

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Using this Owner's Manual

Device