I bought my beast 1.5 years back off Ebay. I got a good deal at the time (although not >60K! like we see now).
The car came with 21" customs Beverly Hill rims and tires. They look great (a little flashy for my taste but they do differentiate the car) and I've enjoyed them.
I recently rode in a friend's M5 who has stock tires. I was surprised how smooth the ride was.
So I'm thinking of changing in the custom tires for stock. Some questions:
1) Am I crazy? Am I significantly downgrading the value of my car by doing so?
2) What is the process? Do I just need new rims and tires? Any idea what I'm looking at cost plus service/labor?
3) My current 21" rims are beautiful but they do have slight curb knicks, etc... they're not perfect. Is there a market for slighly worn rims and tires?
Can't wait to hear your thoughts.
Cheers