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Home >> BMW >> 2025 >> 230i >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Vibration Damper -- Repair (G42) >> 11 23 Engine Vibration Damper >> 11 23 010 Removing and installing/replacing engine vibration damper (230i) >> Installing the vibration damper

Installing the vibration damper

NOTE: RISK OF DAMAGE 
Radial shaft seal damage  .
When fitting the vibration damper, the radial shaft seal may be damaged  .
  • It is imperative to use the special tool when fitting the vibration damper.
NOTE: TECHNICAL INFORMATION 
When removing/refitting or replacing the vibration damper, the radial shaft seal must also be replaced.
G15904387Courtesy of BMW OF NORTH AMERICA, INC.
G15904390Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATION

Vibration damper with belt pulley to crankshaft 
M10x65
Replace screws.
Tighten screws crosswise.
1. Joining torque  40 Nm
2. Angle of rotation  60°
3. Angle of rotation  60°
G15904391Courtesy of BMW OF NORTH AMERICA, INC.

Replace all remaining screws (1).

Parts:  Screws

Position vibration damper (1).

Tighten the bolts (arrows) on the vibration damper (1).

TIGHTENING TORQUE SPECIFICATION

Vibration damper with belt pulley to crankshaft 
M10x65
Replace screws.
Tighten screws crosswise.
1. Joining torque  40 Nm
2. Angle of rotation  60°
3. Angle of rotation  60°
G15904392Courtesy of BMW OF NORTH AMERICA, INC.
G15904393Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work