I appreciate the input thus far, thanks. The roads here are generally good, but barrel cracks are one of the reasons I'd like to go with a higher profile tire but it seems a 305/35 may not even be enough from that last pic...maybe a 305/60? (not serious)
As for andrewwynn being very knowledgeable around here, with complete sincerity, that's excellent as these forums are dying out without such people and I'm grateful for those folks.
The fact that I have 6 posts on this particular forum doesn't state anything about my experience with BMWs. If it helps, I have significant experience on the E36 M3 chassis and all that's come with pushing the boundaries of that chassis over the last nearly 20 years from wheel fitment for track, to as fully built an NA motor as one can get. I have experience with previous non-BMW cars as well. My recent pride and joy of 4 years is my E31 850i that I've done a near complete restore on.
I tend to look more at what's being said than who says it.
I've lurked these boards for months as well to learn for this purchasing decision, but I'd made this thread as I'm not as knowledgeable as those with experience with the chassis for specifically fitting tall wheel/tire combos.
Quote:
Originally Posted by andrewwynn
https://www.bimmerfest.com/forums/sh...d.php?t=802986
Another thread where somebody mentions the max size you can fit without a lift kit. It's almost exactly the diameter of your goal tire: not as wide again In the rear so that's the main question: you said you found somebody that put on the same sizes as you were hoping to use, not sure if that also included the wider rear tire or if it included the wider rim, but there are some useful references of people that have done very similar tires to your goal that you can use to make an informed decision.
From a look standpoint, I don't think a completely filled wheel well is any better a look than a 2" thin sidewall crazy low profile tire on a big rim they basically are both variants of "low rider". The main advantage of higher ratio will be a softer ride which is a reasonable excuse to fill the wheel well, I just don't think it will look better than the more advised options (one step lower profile than you wish to use). That's why I said get tire scale photos and Photoshop them on your car: you may love the look and it's far more important you like It.
I don't think in the real world you will find any significant difference in road feel between 35 and 40 ratio tires and they will both be obviously very low profile on 22s there is no getting around that. So back to Photoshop: which will look nicer: more filled wheel well making the car look dropped, or a thinner sidewall making the car look more like a racer ?
If I had an opportunity to pick up a set of rims in a style I really liked I'd be working to solve the same problem. I would as I mentioned first aim for closer to 1-2% oversized vs 4-5% for numerous reasons but there is support for going up to the size of your target and does not seem unreasonable, other than I did not see much response to the queries of did you have rubbing problems etc; not a lot of follow-up from the guys that did the oversize mods.
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I think the seat of the pants comment was not constructive and I do think you realize that, despite stating it's in my head. Perhaps that set the tone incorrectly of the rest of the post. In any case, it's all good. I appreciate your input and posting those threads and information. Your knowledge of the chassis and forum is appreciated.
I originally had found a poster who ran the 22" 168s:
https://xoutpost.com/526985-post19.html
On similar tires to what you'd recommend. From the tire size calc, it
looks like that photo could handle 1.25cm on either side from the outside, but can't really judge on what a lock to lock turn would do on the inside. The profile in that pic is what made me want a larger sidewall tire initially. I'll see how the look of a taller profile really compares in photoshop.
This was the one I'd seen for the fronts only which you may also have seen:
https://xoutpost.com/bmw-sav-forums/...004-4-6is.html
These were the most extreme example of tire size if you're curious:
https://xoutpost.com/bmw-sav-forums/...-1st-gear.html
https://xoutpost.com/393688-post1.html
Over 3cm greater diameter than my proposed front size.
I'd also seen a handful of 265/65/17 which is slightly larger than the diameter I'd been looking at.
Though a difference in tire manufacturer running wide could be the difference I wouldn't want to encounter so I'll have to be careful with that as I continue my research.
I do wish I could have found the 168s in 20" and am still keeping an eye out for a decent price. It is very very uncommon to have found the 22" replicas in my town where very few rare BMW parts are ever found, so I had to jump on them.