minsu515 0 Report post Posted April 9, 2012 Hey guys.. I have lost my only key for my car.. It is one of those keys that only have 1button to get the LED working on the key.. does anyone know if these keys have transponder in them? what are my options...? Quote Share this post Link to post Share on other sites
thorburn 121 Report post Posted April 9, 2012 http://www.bimmersport.co.nz/forums/index....c=39653&hl= Quote Share this post Link to post Share on other sites
