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

WARNING: This page is about a different car, the 2005 BMW Z4, 2004 BMW Z4, and 2003 BMW Z4. 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 And Placing On Special Tool 11 3 030 In Correct Order

G03297343

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 11 1 441 From Below In Special Tool 11 1 065 And Secure With Special Tool 11 1 045

G03297344

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 11 0 345 In Direction Of Valve Shaft And Selecting Appropriate Groove In Special Tool 11 0 342

G03297345

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 Keys

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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 Valve Components
Courtesy of BMW OF NORTH AMERICA, INC.