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Home >> BMW >> 2004 >> 525i Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Repair (M54) >> Valves With Springs >> 11 34 715 Replacing all valve springs (M52 / S52 / M52TU / M54 / M56) >> Removal & Installation

Removal & Installation

(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: Bracing Bucket Tappets With Special Tool
G03260721Courtesy 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
G03260722Courtesy 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
G03260723Courtesy 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
G03260724Courtesy 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
G03260725Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement:

  1. Valve
  2. Valve-stem seal
  3. Lower plate spring
  4. Valve spring
  5. Top plate spring
  6. Valve tapers
Fig 6: Identifying Valve Assembly
G03260726Courtesy of BMW OF NORTH AMERICA, INC.
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