Originally Posted by CityOfAngels

I dunno if this other glitch I found yesterday has been publicly exploited yet, but you can park as many BMX bikes in your garage as you want. Just bike up to your garage door, front facing the door, get off, see door start to open up, then hop back up on the BMX bike and quickly bike inside the garage.

So far I've got four in there. I saved the game, came back, and they were all there, but I haven't yet restarted the system to see if they'll still be there after restart.