i’ve only had it for 2.5 years and only put 1,500 miles on it (still sitting around 25k). i would hate to lose such a rarity around these parts.
and nothing is wrong with the bimmer 
I still say get the Porsche. And when you’re bored of driving that, sell it and buy an s54 coupe 
mmmmmm s54 coupe. i would agree with that statement sir