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      08-28-2019, 06:25 AM   #3
Oldmcst
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Drives: 2004 BMW Z4 3.0I
Join Date: Jul 2019
Location: Delphi, IN

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Quote:
Originally Posted by Finnegan View Post
Congratulations. And yes, RFTs are just like that!!!

Check out this thread and this post. https://www.bimmerpost.com/forums/sh....php?p=9566844 I think it might point in the right direction. Looks like a 245 will fit with the right offsets and right (wider) wheel.

I am not a fan of putting the max with possible tire on a given rim size. The tire will perform poorly, relative to being on the right size wheel, and you're not really gaining much. Track experimentation attests to this. A 245 on a 9" wheel is another world compared to stuffing a 245 on an 8" wheel.

Honestly, if you're not pushing the car to the limit around corners I'd just go with the stock sizes and ditch the RFTs and get Pilot Super Sports which have a softer sidewall (even amongst other tires), are great in rain, quiet and comfortable.

I pretty much run these on 17s 225 front 255 rear on my Z3M and they're wonderful. Sure, I can blast corners faster with 265 square set-up, but I don't need that on public roads. Track? Sure.

Smaller tires are cheaper too, and I think the steering feedback is a bit better, and, less unsprung weight.

Just get a emergency pump and a puncture kit and you're set.
Thanks Finnegan for your thoughtful response. It's guys like you that make this forum so good.
The sock tire on this car are the 225/45/17 all square. It's not the sport model. Perfect for this old geezer. I'm a fan of the General G MAX 05 AS. I had them on my Miata and was quite happy with them. I'll check out the Super Sports before I buy.
I do carry a pump in both our cars. Good advice for any one.
Finnegan660.50