**Please select your model year vehicle above for the correct battery size** Compatible with 2018-2023 BMW x3 key fob remote Battery is an original CR2032 3V coin cell Avoid a service appointment for a replacement battery. This is an easy replacement and install. The remote is not included. This battery is compatible with some other BMW models, but please refer to your owners manual to confirm which battery your key fob needs and instructions to replace it. This replacement kit is for a BMW x3 (2018-2023) Key Fob with either a low or a dead battery. Included is an original CR2032 3V coin cell battery. If you have a different model year vehicle, please select the other option above.