Coolant Expansion Tank For BMW E53 Car Cooling Expansion Tank Auxiliary Water Bottle 17137501959 Coolant Reservoir

For BMW E53 car cooling expansion tank auxiliary water bottle 17137501959 Save space, wear-resistant, and support the normal operation of the engine Can keep the engine at a suitable temperature under suitable conditions Design: It is designed to resist wear and deformation, providing long-lasting performance Features: Withstands overheating and vibration. Helps reduce oil dilution, cylinder bore wear, fuel consumption, exhaust emissions, and improves heating efficiency