Womala Crankshaft Timing Pulley OE 11237564969 Torsional Vibration Dampers for Bmw Auto Parts
| Product name | Crankshaft Timing Pulley |
| OE number | 11237564969 |
| Applicable models | for Bmw |
| Quality | High Quality |
| Warranty | 18 Months |
| Service | Professional Service |
The Torsional Vibration Damper (also referred to as the Crankshaft Timing Pulley, OE Number: 11237564969) is a critical component in BMW engines, designed to mitigate torsional vibrations generated by the crankshaft during operation.
Constructed from high-strength cast iron or steel with an integrated elastomeric (rubber) damping layer, this component combines rigidity with vibration-absorbing properties. The metal core ensures structural integrity to withstand high rotational speeds (up to 7,000 RPM), while the rubber layer dissipates vibrational energy—preventing excessive stress on the crankshaft, timing chain/belt, and other engine components.
- Vibration Reduction: Absorbs and dampens torsional oscillations from the crankshaft, reducing noise, vibration, and harshness (NVH) for smoother engine operation.
- Component Protection: Minimizes stress on the timing chain/belt, bearings, and crankshaft journals, extending their service life and reducing the risk of premature failure.
- Timing Precision: Maintains stable crankshaft rotation to preserve accurate timing between the crankshaft and camshafts, critical for optimal combustion efficiency and performance.
- Durability: Withstands extreme temperatures (-40°C to 150°C) and chemical exposure from engine oils, ensuring reliable performance over 100,000+ km of operation.
| Model | Chassis Code | Production Years |
|---|---|---|
| 3 Series | E90, E91, E92, E93 | 2004-2013 |
| 5 Series | E60, E61 | 2003-2010 |
| 6 Series | E63, E64 | 2004-2010 |
| X3 | E83 LCI | 2006-2010 |
| X5 | E70 | 2006-2010 |
| X1 | E84 | 2008-2011 |
| Z4 | E85, E86, E89 | 2004-2011 |
| 1 Series | E81, E82, E87, E88 | 2005-2013 |
| 7 Series | E65, E66 | 2004-2008 |
A1: A thermostat failure usually causes the following symptoms:
- Engine overheating: The thermostat is stuck in the closed state, preventing the coolant from entering the radiator.
- Slow engine heating: The thermostat is stuck in the open state, and the coolant is always circulating, causing the engine to be unable to reach normal operating temperature for a long time.
- Increased fuel consumption: The engine does not work at the optimal temperature, the combustion efficiency will be reduced, resulting in increased fuel consumption.
A2: It is recommended to be replaced by a professional technician, and pay attention to the following points:
- Operate when the engine is cold to prevent burns.
- Drain the old coolant correctly.
- Make sure the seal is installed in place during installation to prevent coolant leakage.
- After replacement, the cooling system needs to be vented to prevent "air blockage" from affecting the cooling effect.
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- We implement 10 strict quality inspection processes (such as noise detection, durability test, surface roughness test, etc.). The cooperative factories are supporting suppliers of international brands such as Womala and Hella.
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