BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
My car has been making this strange noise for a few months, I've taken it to a garage to check it out but they weren't able to replicate.
Tonight I have managed to record it http://www.filedropper.com/voice001sd_1
The noise starts at about 3 seconds into the audio clip.
It seems to do...