WOW... I have this exact same problem! I feel you man. The same thing is happening in my 128i... I thought I was the only one experiencing this issue. It's such a nuisance! It makes me >>>
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Originally Posted by 135iUSN
Guten tag
OK - good news just had the Europe maps loaded to my iDrive 
OK - us spec coupe' - 3 weeks ownership and 390 miles ~
upon my first drive off the lot - this popping noise has been persistent when the car needs ' to adjust ' when it gives a little due to uneven road or parking lot. So today when I took the car in I asked the service guy to check and he heard the same noise I did. It does it all the time; sunroof open/closed - sun shade open/closed - driver window up/down.
So, appointment to have this looked at in 2 weeks. They seem to think its the sunroof - but, Euler will need to remove the headliner and  : for what is loose and causing this popping noise - has a sort of metal sound low pitch when it happens.
Anyone have this issue?
Keep you posted. I just hope they don't damage anything in the process. But, the up side is I would rather the German's look at it and remove the liner vs the states, as they have been servicing the 1er since '06 I think.
 a little on this - but better than say they transmission going out :wink: |