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Home >> BMW >> 2002 >> X5 30i, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (Engine - Repair Instructions - X5 (4.6L)) >> Valves With Springs >> 11 34 552 Removing and installing/replacing all valves (M62)

11 34 552 Removing and installing/replacing all valves (M62)

WARNING: This page is about a different variant/trim than selected.

Cylinder Head Removed

Preliminary work is described in section on dismantling and assembling the cylinder head,

refer to 11 12 503 DISMANTLING AND REASSEMBLING CYLINDER HEAD (M62) 

Replacing valve stem seals,

refer to 11 34 560 REPLACING ALL VALVE STEM SEALS (M62, S62) 

Remove valves from cylinder head.

If necessary, check valve guide for wear,

refer to 11 12 595 CHECKING A VALVE GUIDE FOR WEAR (M62, S62) 

If necessary, ream the valve guide,

refer to 11 12 600 REAMING A VALVE GUIDE (M62, S62) (VALVE REMOVED) 

If necessary, rework valve seat,

refer to 11 12 527 REMACHINING A VALVE SEAT (M62, S62) (CYLINDER HEAD DISMANTLED) 

Fig 1: Identifying Valve Components
G03254806Courtesy of BMW OF NORTH AMERICA, INC.

Installation sequence:

  1. Valve
  2. Valve-stem seal
  3. Lower plate spring
  4. Valve spring
  5. Upper plate spring