11141439975 Genuine OEM BMW Dust Gasket, part number 11117574144. This gasket is designed to create a seal, preventing dust and other contaminants from entering sensitive engine components. It is typically made from durable rubber or a similar flexible material to ensure a tight fit and effective protection. The precise dimensions and material composition are critical for maintaining the integrity of the seal. Genuine OEM parts offer the assurance of factory-specified quality and performance.