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#11
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Which is the option of the OP. My contention is that with 22s, there is no getting around the thin sidewall look. By the time you'd have a tall enough ratio tire you'll either run the wheel well or just have a lowrider look of no space around the wheel that is not a better look than a thin sidewall. Looking at the pics of the max'd tire size I wasn't a fan, but it should work I just as noted recommend making a preview in Photoshop before buying max'd out tire sizes.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
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#12
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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:
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. Last edited by ACHTUNG; 03-12-2019 at 05:16 PM. |
#13
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The "seat of pants" is not a derogatory term it's factual. Your "gut feeling" of what could work, there is no offense meant by it it's simply saying you didn't do any real world testing to get to your target goal, you are attempting to massage a happenstance of what you came across into a working solution.
I make seat of pants calls every day, I'm just pointing out facts like I said before facts dont have feelings, and I think you are right exactly on the border of what will fit. I recommend making some CG versions to help you decide, and it won't hurt to find other examples of real world examples but with some follow up that weren't really in the Alaska example I found nor the other example which has the diameter but not the width. My expertise is problem solving but it's still theoretical until you actually mount the exact rims which I believe are wider than the examples I found. I wouldn't veto the choice from a will It fit standpoint, I'm just throwing out a dose of caution based on real world examples where people have gotten that diameter to work but after adding 20mm spacers but I don't know what the ET nor the width of the rims. I have no doubt the front choice would work, but I didn't see a real world example of the rear though I didn't look at the links just sent above. I'm just pointing out (again) that if the goal is a thicker sidewall for looks, you may like the no space around the tire less than the thin sidewall so make some quick photo overlays to help you decide.. I've not been against the idea of getting the solution to work, I'm just giving you all the options that make sense (not discounting your target goal), just pointing out some pitfalls you may have overlooked. You may prefer the totally filled wheel well look and than you're golden, I'm just saying many/most wouldn't like It so if you go that route make sure. Also: if you as you pointed out aren't planning on putting the car on a track, why maximize the width of the rear tires? Come down a section size and you can bring up the ratio one step, it'll give you more sidewall, softer ride though with 11" rims you might need to stick with 315s. I would like to see you come up with the best solution to get those 22s. I've not been trying to poo poo the idea. Case in point: the post above where they tried 20s didn't like. I'm literally just trying to play devil's advocate to make sure you look from all sides. If you end up with the 5% upscale tires and they fit and look badass I'll be the first to say good job. I want only for you to be 100% confident and I think it will be great if you work out a good solution to take advantage of finding those wheels. What you mistakenly thought was condescending tone was just in line with your own mention of basically saying "yikes 22" rims. You started your post admitting right off the bat the idea was at the very least "fringe" so don't feel bad when I simply agreed with that thought and said that I personally wouldn't push it to the limit of what fits. That being said, I doubt a lift kit would be very expensive in the long run, and if that's what it took to hit this solution out of the park, make a Photoshop of that case as well. I don't doubt a very workable solution is there.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#14
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Little help on on tire size please...
I just reviewed the initial post and saw that your target was 305 not 315, with that taken into account and the thread above with the 295/45/20 indicated as a success and only 1cm wider 305 which is 1cm narrower than the 315 on the M, that will help just enough I think to get you a rub free ride (spacers notwithstanding). The target size you want is considerably smaller than the 265/70/17 winter tires from the thread above so I think you have what you need to know they will fit and work. It's very hard to get the ET spot on until you mount the tires.
Bonus: quick iPhone edit of the 20s from the previous thread stepped up to a simulation of 22s. I think it looks pretty good. And as your goal: nicer than the super low profile of sticking with the stock overall diameter. I'm a little concerned about the slight difference of the rolling circumference didn't you say you are x-drive model? They are more picky about exact match tores: consider that with 1cm different rolling circumference that every mile one axle is trying to go 700cm or 23feet Farther, I'm not sure where that extra goes: slip in the transfer case or slip on the tires. I just found this;. Code:
According to the experts at TireRack, the tires on xdrive cars can be different sizes from original equipment (but must be within 3% of original tire diameter), and they need to be within 1% (not to exceed) diameter size of each other to not cause problems.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) Last edited by andrewwynn; 03-12-2019 at 06:35 PM. |
#15
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and from others they look like massive wagon wheels vs hmm. This will take some thought. Thanks again for your input. I will also be installing a 4.6is front brake setup at the same time so that should bring some of the stopping power back to earth at least. |
#16
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There is no getting around this being large wheels. I think I like the 22s better than the same size balloon tire on 18s though.
I'm quite sure in real life some angles will appear comically large but you are aiming for a smaller cross section in front which will reduce how many view angles will give you that reaction. The 0.3% is the important number and I don't know where the 3% was derived, and like I said, I'm not aware of any way the computer can tell. The biggest real world issue is the change in the center of gravity and implications in stability.
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#17
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Edit: If anyone in the future wants to know how this turned out, as I know it would have helped me:
265/40/22 305/35/22 IMO, the 22" don't actually look out of place. I was expecting to see it as an X5 on wagon wheels and was second-guessing my choice but it turned out looking great and fitting very well. Last edited by ACHTUNG; 06-07-2019 at 05:36 PM. |
#18
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Looks darn nice.
Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
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