It is recommended to repair, because the LCD key is one of the important parts of BMW, the cost of replacing the new is higher, and the repair can save costs more effectively.
In addition, if it is just a water problem, repair may be a simple solution, and you can retain the original programming information and vehicle matching, avoiding unnecessary trouble and expense. However, if the LCD key has other problems, such as damage or aging, a replacement may be a better choice.
Recommend repairing the BMW LCD key. Although water may cause some damage to the key circuit, replacing the entire key can be expensive and unnecessary.
The circuit can be cleaned and inspected during repair, the faulty part can be repaired, and then resealed to prevent water from entering again. This will not only save money, but also retain the original key shell and keys to maintain the consistency of the vehicle.
It doesn't have much effect, it can be dried, but the thing to worry about is whether it will rust inside.