2018 BMW 540dX Key Fob Battery
CR2032 replacement battery for your 2018 BMW 540dX key fob. Compatible with 2018 BMW 540dX.
Vehicle
2018 BMW 540dX
Battery size
CR2032
Voltage
3V
From
$9.99 USD
Opens the full product page with checkout options for your vehicle.
2018 BMW 540dX key fob battery FAQ
What battery does a 2018 BMW 540dX key fob use?
Most 2018 BMW 540dX key fobs use a CR2032 3V lithium coin-cell battery. Compatible with 2018 BMW 540dX.
How do I change the battery in my 2018 BMW 540dX key fob?
Open the key fob along the seam with a small flat-head screwdriver or coin, remove the old CR2032 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.
