Bmw Keys Battery. 44 out of 5 stars 78. Bmw e46 key battery replacement.
Save hundreds from getting a new key from the dealer or locksmith and replace the battery yourself. This listing will include a rechargeable battery THAT MUST BE SOLDERED ON to replace the dead battery as well as a brand new key shell WITH cut included to replace the shell as your old key will need to be cut open to replace the battery. In this case it was a key from BMW 5 E60 E61 but similar or same procedure can be used on some newer and ol.
In vehicles with a replaceable battery you only need to pop off the fobs backplate and switch out the CR2450 or CR2032 coin cell.
2018 BMW X5. BMW E90919293 as well as many BMW key fobs from the early 2000s The keys Recharge using induction when in the ignition but as with any rechargeable battery they are only good for about 1000 charges. In vehicles with a replaceable battery you only need to pop off the fobs backplate and switch out the CR2450 or CR2032 coin cell. If you own an E 5 or 7 series BMW your key probably has some sort of rechargeable battery.
