mortimersnerd
06-13-2009, 07:59 PM
Was idling at a light at the end of an on ramp and got a weird "thump" or deep pop from my engine bay on my 2008.5 MS3. Must have kicked pretty good because I saw the hood move. Everything looks OK on inspection. Sort of sounded like a deep backfire. Car is stock (other than wheels). Any ideas?