for BMW for F20 F21 F22 F23 F30 F35 F34 F36 2015 2016 2017 2018 2019 Antifreeze Coolant Expansion Tank 17138617045

INCREASE COOLANT CAPACITY: The water bottle is an important part of the engine thermal management system to store and regulate coolant circulation,can prevent the motor temperature from being too high, prolonging the life of the motor.When the engine is cold, the coolant temperature is low and the volume is small, The coolant in the expansion tank is replenished to the engine water passage through the pipeline to ensure that the cooling system is full of liquid and has a reserve.

• INSTALLATION: Our expansion tanks are designed for fast cooling and can be easily installed without additional tools, Replace old or damaged radiator, They are easy to install without drilling and cutting
• Material:Made of plastic,strong and durable,resistant to high temperatures, with stable performance,wear-resistant, durable and not easily damaged
• FUNCTION:The radiator coolant expansion bottle increases the overall coolant capacity, prevents overflows and ensures cooling works effectively at different temperatures, This expansion tank helps maintain adequate coolant levels
• Features: Withstands overheating and vibration, Helps reduce oil dilution, cylinder bore wear, fuel consumption, exhaust emissions, and improves heating efficiency
• Ordering instructions: please carefully review the details on our product pages before placing your order, If you have any questions about the installation or quality of the product, please contact us in time, We will solve your troubles as soon as possible