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

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. 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.

Brace bucket tappets with special tool 11 3 250.

Lift out bearing strip with bucket tappet.

Installation:

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

Fig 1: Lifting Out Bearing Strip With Bucket Tappet

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Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Arranging Bucket Tappets By Cylinder

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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: Identifying Align Special Tool

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Courtesy of BMW OF NORTH AMERICA, INC.

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

Remove valve spring and plate spring.

Fig 5: Removing Valve Spring & Plate Spring

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Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement:

Valve
Valve-stem seal
Lower plate spring
Valve spring
Top plate spring
Valve tapers

Fig 6: Identifying Lower & Top Plate Spring

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Courtesy of BMW OF NORTH AMERICA, INC.