11 34 715 Replacing all valve springs (M52 / S52 / M52TU / M54 / M56)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW X5, 2006 BMW X3, 2005 BMW X5, 2005 BMW X3, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 0 342
11 0 345
11 1 045
11 1 065
11 1 441
11 3 030
11 3 250

(cylinder head removed)

Preliminary tasks are described in Disassembling and assembling cylinder head. Refer to 11 12 503 DISASSEMBLING AND ASSEMBLING CYLINDER HEAD (M52 / S52 / M52TU / M54 / M56) .

Brace bucket tappets with special tool 11 3 250.

Fig 1: Lifting Out Bearing Strip With Bucket Tappet

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Courtesy of BMW OF NORTH AMERICA, INC.

Lift out bearing strip with bucket tappet.

Installation:

Only re-use used bucket tappets in the same tappet bore.

Arrange bucket tappets by cylinder and place on special tool 11 3 030 in correct order.

Fig 2: Arranging Bucket Tappets

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Courtesy of BMW OF NORTH AMERICA, INC.

Insert special tool 11 1 441 from below in special tool 11 1 065 and secure with special tool 11 1 045.

Fig 3: Inserting Special Tool

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Courtesy of BMW OF NORTH AMERICA, INC.

Align special tool 11 0 345 in direction of valve shaft and select appropriate groove in special tool 11 0 342.

Fig 4: Aligning Special Tool In Direction Of Valve Shaft

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Courtesy of BMW OF NORTH AMERICA, INC.

Press down valve spring on spring cap, top, and remove valve keys.

Fig 5: Removing Valve Spring And Plate Spring

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Courtesy of BMW OF NORTH AMERICA, INC.

Remove valve spring and plate spring.

Arrangement:

Fig 6: Exploded View Of Valve Components

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Courtesy of BMW OF NORTH AMERICA, INC.