2018 BMW 640iX Key Fob Battery
CR2450 replacement battery for your 2018 BMW 640iX key fob. Type 2
Compatibility notes
Type 2
Vehicle
2018 BMW 640iX
Battery size
CR2450
Voltage
3V
From
$11.99 USD
Opens the full product page with checkout options for your vehicle.
2018 BMW 640iX key fob battery FAQ
What battery does a 2018 BMW 640iX key fob use?
Most 2018 BMW 640iX key fobs use a CR2450 3V lithium coin-cell battery. Type 2
How do I change the battery in my 2018 BMW 640iX key fob?
Open the key fob along the seam with a small flat-head screwdriver or coin, remove the old CR2450 battery (note which side faces up), insert the new cell the same way, and snap the fob closed. See our step-by-step guide for photos and safety tips. View our full replacement guide for step-by-step photos and safety tips.
