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This OEM-specification expansion tank connects your BMW’s water pump directly to the cooling system hose, maintaining optimal coolant levels and pressure. Part number 17127583175 is engineered for F-series models including F01, F02, F10, and F07 platforms. Built to factory standards, it prevents air pockets in the cooling circuit while accommodating thermal expansion during operation. Essential for reliable engine temperature management and system longevity. Direct replacement ensures perfect fitment and performance compatibility with your BMW’s integrated cooling architecture.

This precision-engineered expansion tank serves as the critical junction between your BMW’s water pump and cooling system hose assembly. Manufactured to OEM specifications under part number 17127583175, it’s designed for F01, F02, F10, and F07 models. The tank regulates coolant pressure and volume fluctuations caused by thermal cycling, preventing cavitation and air entrapment in the cooling circuit. Its robust construction withstands high-temperature operation while maintaining system integrity. A direct factory replacement that restores proper coolant circulation and protects against overheating and component damage.