Car Radiator Car Radiator Coolant Overflow Tank Expansion Tank Auxiliary Water Bottle for BMW F22 F23 F30 F20 17137609469 17137642158 Radiator Cooling System

Replacing the coolant expansion tank helps keep the engine at the appropriate temperature under various operating conditions, preventing engine stalling and damage caused by overheating.

• Coolant recovery tanks protect vehicle engines by effectively regulating coolant overflow and return, preventing overheating, and maintaining proper coolant levels, thus extending engine life.
• Replacing the coolant reservoir in the radiator ensures the engine maintains optimal temperature under various conditions and resolves engine stalling issues caused by overheating.
• Coolant recovery tanks are made of robust and durable materials, resistant to pressure, leaks, impacts, and high temperatures, ensuring long-lasting performance.
• Installation Instructions: Turn off and cool the car. Remove the bolts and reservoir, allowing the remaining coolant to flow back to the drain pan. Replace the reservoir with a new one, reinstall the coolant hoses onto the radiator, and tighten the clamps. Finally, check for proper operation.
• Please carefully verify product compatibility with your vehicle before purchasing. If you have any questions, please contact us promptly, and we will resolve them for you as soon as possible.