with radio off only (not that the sound diseappear but it's not very loud).
It's a sound that come every 2 or 3 seconds, always! It's a little "knock". Sound is still present when parked with engine on. Comes from under my feet, I can "feel" it if I have the feet on the brake pedal. If i don't have feet on pedal, i still hear it.
I have noticed a similar sound in mine..a few months back I had my radio off and I noticed a slight knock once every few seconds. I can't feel the knock but I can hear it. It seems to be coming from behind and below the dash. I am certain it has something to do with the climate system because occasionally when turning on the heat I get a loud knock. I wouldn't stress over it as it has zero efect on performance
i had the same thing happen about a week ago, so i jacked the car up to find out that one of the heat pannels that covers the exaust had rusted throughh and was just resting on the exaust. i couldn't see anything that it really protected, so i just took it off
well, when first reading this i first thought for you to check your abs brakes to see that they are working properly, i think i understand that you feel the toc noise through the brake pedal? Also you could maybe look up under the car and trace the lines and peices that connect to the pedal from the outside in the engine bay part maybe and you might find something there, i hear alot of people talking about noises in their bimmers, i too have the loud noise when heat is engauged, too bad they don't stay quiet, if you find the problem please post so i can check mine before it starts! hope this helps!
oh yeah, what IS the link to that list, i've searched and can't find it, or what is the title of the thread? i searched "engine noises" and "engine noise list" and it wasn't in the first few, please post the link if you can find it, thanx in advanced!
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