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How long are folks getting out of a key fob battery?
My previous MB with the keyless entry (comfort access in BMW speak), had to have it's fob battery replaced every 2-6 months. Many others on the MB forums have also experienced high battery drain when they have the keyless entry option.
This is my first BMW with the comfort access feature so wondering how long the battery will last.
My previous non-comfort access BMW key fob battery lasted nearly 9 years.
My wife's current X3 which is nearly 6 years old is also still on original key fob battery and doesn't have comfort access.
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