hello i was looking thrue the forums and i saw that they raddle till they brake in or whatever i have 1,300m on mine and it still raddles when i am complettly stopped also the ac fans turn on and off on and off is this normal (when i have the ac on)... oh and when they turn off it makes the whole car kinda jump and the rpms change any suggestions i also hear that squeaky noise when i go over bumps