I hit the the same problem recently with the plastic trim getting in the way of disconnecting the terminal. But loosened the nut as much as possible anyway so it wasn't making a good connection, and left it for about 10 minutes before retightening. After various warning messages about electric...
Lost my connection to the Porsche servers last week driving back from Italy. A PCM reset didn't help and as it hadn't reconnected after leaving it for several days, decided to try disconnecting the 12V battery.
I had the same problem with disconnecting the terminal. But loosened the nut as...
I recently had my first service done at Porsche Portsmouth – cost was a little under £550. This included replacing the break fluid which they insisted needed doing even following the recent break hose recall. They said that the recall work did not involve a complete change of the break fluid...
I had a similar problem - bought some paint on eBay which did a pretty good job.
https://www.ebay.co.uk/itm/334518092029
PORSCHE GLOSS BLACK ALLOY WHEEL TOUCH UP KIT REPAIR KIT PAINT WITH BRUSH