URO 17137601948 Engine Coolant Expansion Tank

The URO Parts 17137601948 Engine Coolant Expansion Tank is a high-quality replacement reservoir designed for select BMW vehicles including the 5-Series (F10/F11), 6-Series (F12/F13), and 7-Series (F01/F02/F04) models. This expansion tank serves as the critical coolant overflow reservoir that maintains optimal coolant levels and system pressure in your BMW's cooling system.

Key Features:

• Precision-molded construction designed to match OE specifications for proper fit and function
• Manufactured from durable, heat-resistant materials that withstand harsh under-hood conditions
• Allows for proper expansion and contraction of coolant as it heats up and cools down
• Positioned as the highest point in the cooling system to facilitate air purging and prevent air locks
• Helps maintain proper cooling system pressure to prevent overheating and coolant aeration

This expansion tank is a direct replacement for BMW OEM part number 17137601948. URO Parts is known for providing quality aftermarket replacement components for European vehicles at a value price point, offering an economical alternative to expensive dealer parts while maintaining reliable performance standards.