Yeah, the 1200 service seems to be fairly critical, and it was certainly something I wanted to see evidence of. But it's not just about the stamps in the book, as there are still some dogs out there which on paper sound fine. But find one with straight panels, clean interior and that's clearly been shown some love and you won't go too far wrong I think. Not sure about the 100k stuff, but the 60k cars represent decent value at the moment I think around the £25k+ mark AFAIK. Depends what you want to do regarding warranty too and how risk-averse you are
Ooofff, loving that M3 btw!
Here's my old bus. The E30s make a great combination to have with the CSLs IMO: