BMW O-Ring - Elring 11537835497

Ensure a leak-free cooling system with this genuine Elring O-Ring, specifically designed for BMW M series vehicles. This high-quality seal (OE Number: 11537835497, Part Number: ELR-278386) is crucial for maintaining the integrity of your engine's cooling system.

**Key Applications:**
* **BMW M5 (2006-2010) & M6 (2006-2010) (5.0L V10 S85B50A):** Used as the engine coolant pipe O-ring, located between the thermostat housing and water pipe.
* **BMW M3 (2008-2013) (4.0L V8 S65B40A):** Functions as the engine coolant pipe O-ring, found between the engine block and return pipe.

Trust Elring, a renowned OEM supplier, for an exact fit and reliable performance, preventing costly coolant leaks and ensuring optimal engine operation.