Preload timing chain
Install the new chain tensioner (engine removed)
- Replace sealing ring (1).
Parts:
Sealing ring
 Courtesy of BMW OF NORTH AMERICA, INC.
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- Tighten the chain tensioner (1).
TIGHTENING TORQUES SPECIFICATION
| Chain tensioner to cylinder head |
| Chain tensioner piston M22x1.5 |
Joining torque |
20 Nm |
| Angle of rotation |
30° |
 Courtesy of BMW OF NORTH AMERICA, INC.
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