I had problems with that system and I know from my shop pals that it's tough to repair. BOA has a lifetime guarantee now and the fix is pretty easy. I think you can just go their website to redeem it and there are tons of videos on there telling you how to do it.
Speaking of speed laces, I ran into this the other day. I'll make sure I tuck in my laces from now on -- look at what this guy's buds did to him!
YouTube - BEST PRANK EVER! FUN WITH SNOWBOARD BOOTS!YouTube - BEST PRANK EVER! FUN WITH SNOWBOARD BOOTS!