These are great cars (I DD a 190e 16v which was the inspiration for the M3), but at the current market price, which has been largely fueled by hipsters with too much disposable income and no real car knowledge, they're simply not worth it. They' ve become … The tires don't matter a lick to me, but I think when you drive an M, even if you're a dealer, it's pretty weird to hand your car off to a service manager with no instructions or preference about the replacement rubber. …

See the article here:
69k-Mile 1988 BMW E30 M3 – Bring a Trailer