atlantiskiwi 73 Report post Posted May 31, 2014 Can someone please confirm what battery I need for 2 button e36 m3 key? It's for the transponder not the light.. Quote Share this post Link to post Share on other sites
atlantiskiwi 73 Report post Posted May 31, 2014 Found it. Cr2016 3v Ordered crap loads of them. So if anyone wants a couple let me know and I'll chuck them in the mail. Quote Share this post Link to post Share on other sites