Anyone used E10 fuel regularly? I know technically the car can run on it but ethanol is a pretty potent solvent. Just wondering if anyone has had any problems using it.

Not "regularly" but it was the only fuel I used on a round trip of around 1400 miles down through France.

 

Can't say I noticed a difference over the four or so fill ups - mpg was lower than normal, but that was probably down to going over 80mph for most of the motorway, and having three people and enough climbing/camping gear to warrant folding the larger of the split seats down in the back.