The middle runner on the sliding door seems to have a lot of play between the pin and the groove and when pulled forward seems to twist in and catch, causing a grind...making the door hard to move. The ball bearing looks ok and doesn’t seem to be the issue. Is this a common issue, is there an easy ...

I had corrosion where the fiamma bongo brackets bent the gutter and rubbed through the paint.
I've now fitted three stainless brackets to the plates under the aft and bought an additional alloy mounting plate from eBay that fits into the slot on the back of the f45i. The stainless brackets are now ...