Stand by your beds… my Daughter has said she will come too… in my old F1 that she now drives. But only if she can follow me (I bet I have to buy the diesel also😉) So that’s 2 FL’s and 3 people in my party (son coming in mine).

I think you have answered your own question. You need some diagnosis. Either take it to a local indie garage, or main dealer if they are not going to charge a lot for diagnosis. Or get yourself a cheap F2 diagnostic tool, I got the Autel...