Hi Chris.
Read the first post and had to ask.
Me and my friend was driving from Monaco towards Nürburgring and was passing from Swiss in to Germany a late wednesday night sometime midsummer last year. (Don't remember the exact date, but think it was the week before M-Festival) And we kept seeing this white 1M on swiss plates, all the way from Swiss and a good time into Germany doing some serious pulls on the autobahn.
Could this have been you?
(We drove a grey lowerd Mini Cooper S Works with aerokit)
Just had to ask since you were in the right age for the driver with the right car
And oh, almost forgot. WHAT a car park, simply great!