Belt tensioner 11281722789 Compatible With BMW 3 E46
Maintain optimal belt tension and engine performance with this OEM-quality belt tensioner designed for BMW 3 Series E46 models. Part number 11281722789 ensures precise fitment and reliable operation. This essential component automatically adjusts tension as your serpentine belt wears, preventing slippage and extending belt life. Direct replacement for factory units—no modifications required. Engineered to meet BMW specifications for durability and precision. Keep your engine running smoothly with this critical tensioning component.