11 34 715 Replacing all valve springs (M52 / S52 / M52TU / M54 / M56)
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2006 BMW 325Ci, 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, and 2004 BMW 325xi. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
NOTE:
For special tools, refer to ENGINE - SPECIAL TOOLS
.
- 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.
Arrange bucket tappets by cylinder and place on special tool 11 3 030 in correct order.
Insert special tool 11 1 441 from below in special tool 11 1 065 and secure with special tool 11 1 045.
Align special tool 11 0 345 in direction of valve shaft and select appropriate groove in special tool 11 0 342.
Press down valve spring on spring cap, top, and remove valve keys.
Remove valve spring and plate spring.
Arrangement:
- Valve
- Valve-stem seal
- Lower plate spring
- Valve spring
- Top plate spring
- Valve tapers