Genuine BMW 17-13-8-689-765 Coolant Expansion Tank with Level Sensor

The Genuine BMW 17-13-8-689-765 Coolant Expansion Tank is a factory original equipment (OEM) component designed to maintain proper coolant levels and system pressure in your BMW's cooling system. This expansion tank features an integrated level sensor that monitors coolant levels and alerts the driver when fluid is low, helping prevent overheating and potential engine damage.

Key Features:

• Genuine BMW OEM part ensures perfect fit and function
• Integrated coolant level sensor for accurate monitoring
• Manufactured to BMW's exact specifications and quality standards
• Direct replacement for worn or damaged expansion tanks
• Designed for 2016-2025 BMW vehicles including 5 Series, 7 Series, X5, X6, and X7 models

This expansion tank plays a critical role in your BMW's cooling system by providing a reservoir for coolant expansion and contraction as the engine heats and cools. The integrated sensor ensures you're always aware of your coolant level, maintaining optimal engine operating temperature and preventing costly repairs. As a genuine BMW part, it comes with the manufacturer's warranty and meets all original equipment specifications.