BMW 750iX Key Fob Battery
Find the correct key fob battery for your BMW 750iX by model year. Choose your year below to see the battery size, replacement details, and buy options.
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Common questions
What battery does a BMW 750iX key fob use?
It depends on your model year and remote type. Select your year above. If that year lists more than one key fob, pick the option that matches yours to see the exact coin-cell size (such as CR2032 or CR2025).
How do I replace the battery in my BMW 750iX key fob?
Open the fob along the seam, remove the old battery, insert the same-size replacement with the same orientation, and snap it closed. See our step-by-step guide.
