Table of Contents
What battery goes in a BMW key?
CR2032 battery
For drivers with BMW Comfort Access, BMW key fob battery replacement will require a CR2032 battery. Here’s how to replace the battery from your BMW key fob: Press in the small tab on the side of your key fob, and remove the metal valet key.
Is e90 key fob rechargeable?
There is no recharging. It takes a 3032 lithium battery.
How do I charge my BMW e90 key?
To charge your key, insert the key into the ignition and turn it to position 1 or 2. The battery will automatically begin charging. How much the key is charged is based on how long you drive. The longer you drive, the more your key will charge.
Can I replace my BMW key battery myself?
The battery in this key is not designed to be replaced however, it is possible to replace the battery in this key by cutting the case and soldering a new battery. To replace this BMW key battery, you will need a VL2020 battery. This procedure is not recommended by the manufacturer.
How much does it cost to replace BMW key battery?
It will depend on the exact model and type of BMW key fob that you are replacing, but you can expect to pay anywhere from $300 to $410.
What happens when BMW key battery dies?
Will a BMW start with a dead key fob? If your BMW key fob’s battery has run out, you won’t be able to unlock your vehicle remotely or, if your BMW has Comfort Access, use keyless entry. However, you can still access and start your car manually.
How long does a BMW key battery take to charge?
Driving your car for about 30 minutes will charge the key battery enough to get 15 key presses on the fob. The longer you drive, the more the battery will charge and the more key presses you will be able to make. Drive 30 hours total to fully recharge a dead key battery.
What battery does a BMW 328i key fob take?
Key Fob Battery Compatible with BMW 3 Series (2019-2021 BMW 3 Series Key Battery CR2032)