Originally Posted by equ
I'm curious, did you get any results on this? A good friend just picked up an m3 'vert and is really keen on carrying a spacesaver spare. I carry the e60 17" spare on my non-M e90.
Yes, I'd be interested in a space-saver option for trips. I carry a plug kit as another option for puncture repair, but that won't cure a major failure.