Originally Posted by djw007
I can tell you for certain it is the felt lining on the inside of the rubber seals around the tops of the doors rubbing against the shadowline trim. You can replicate the noise from outside the car by pushing the rubber seal against the shadowline trim whilst the door is closed.
I tried everything including several cleans. It is just simply friction causing the noise.
I've had the same issue. It was fixed with the application of teflon tape. It's invisible and doesn't require any ongoing maintenance, and the service department at Motorline did a bang on job, incredibly neat and precise.