Leakage: Leakage in the expansion tank or its connection pipes can lead to a decrease in coolant and reduce the cooling efficiency of the engine.

Insufficient liquid level: Insufficient coolant in the expansion tank can result in engine overheating.

Aging and deformation: The expansion tank may age, deform, or break over time due to high temperature or pressure. Regular inspection and replacement are therefore necessary.

Deterioration of coolant: If the coolant changes color or contains impurities, it should be replaced in time to prevent damage to the engine.

Advantages of vika BMW B48 expansion tanks:

1. All vika BMW B48 expansion tanks are made of imported Dupont PA66-30%GF plastic, which features excellent aging resistance.

2. They are produced in the same production lines as globally renowned brands such as Febi and Mahle.

3. A tank cover has been added to vika BMW B48 expansion tank to form an assembly for better services.