The BMW keys are charged via wireless charging. The BMW key has a battery inside that can be recharged via a wireless charger. The wireless charger usually transmits electrical energy to the battery inside the key through the principle of electromagnetic induction.
Simply place the BMW key over the charger to charge it.
This charging method is more convenient and fast than the traditional plug-in charging, and there is no need to worry about the problem of wire entangling or plug damage.
At the same time, the battery capacity of the BMW car key is small, and a charge can be used for a long time, so there is no need to charge frequently, and it is more convenient to use.
In short, the BMW car key is charged by wireless charging, which is convenient and fast, and can also meet the needs of long-term use.
BMW keys usually come with rechargeable batteries, so you only need to plug the key into the accompanying charger to charge it. Before charging, it is necessary to ensure that the metal contact of the key is clean and free of dirt to ensure the charging effect. Under normal circumstances, BMW car keys can be charged for a few hours and can be used for several months after being fully charged. For keys that are not used for a long time, it is recommended to charge them at regular intervals to ensure the normal use of the key.