E90 key remote not working :(

[Braden tan]

Hi folks,
Can anyone provide some advice?
One of my car key remote is not working, unable to lock/unlock the doors.
I think need replacement of new battery. Any recommendations where to change it?



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[TezzaRed]

You can DIY. Just buy an Energizer CR2032 battery from NTUC and watch this video.

 

[imprezawrxsti22b]

Have comfort access? If yes, just a simple CR2032 swap. If no, it’s a ML2020 VL2020 swap with soldering.

 

[Braden tan]

Thks guys. No comfort access so means i cant go for CR2032? Will need a rechargeable one?


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[imprezawrxsti22b]

Yes

 

[Braden tan]

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[Braden tan]

Thks for advices


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[imprezawrxsti22b]

Terrible video. And BMW made it quite complicated. But at least you know you don’t have to order a new key fob.