Doulting wrote:

...Who on earth fits a bolt so close to a removable component that it literally cannot be removed
Well, most likely some Italian guy. As to why? Probably because it was the best spot to make servicing as difficult as possible. BTDT many a time with Italian cars.
Logic and Italian electrical engineering are mutually exclusive.
Example: When the Titanic struck an iceberg in the middle of the Atlantic, the lights stayed on until the ship went down. Fast forward 100 years when the Costa Concordia struck shallow rocks a few hundred yards off shore. What is the first thing that happened? Instant electrical blackout. It doesn't get more authentic Italian than that.