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      09-24-2021, 09:54 PM   #1
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New rim size advice needed

Hey folks, got bad news today...the rims I had on order was canceled due to inability to clear front calipers and nobody caught it until manufacturer assured me they wouldn't and wouldn't cut them. Was going with Savini BM-15 20x10 squared on my X6M (with spacers on rears). Wanted to change the OEM staggered to be able to rotate tires same size and lower OEM 21 to 20's to get more side wall and smoother ride. Was informed my only option for the rims I really want is 22x10.5. Anyone have any advice if you've run 22's and how the ride is? What size tires fit best and look best to fill gaps? I don't plan to lower. And clearance from rubbing front fender or scraping interior? I didn't want 22's due to public opinion that ride quality diminishes even though I do think they look better. Are these opinions grounded? Thanks for any assistance, looking to make a decision within the next week or two or just look for different concave 8-10 spoke true directional gloss black 20's, but super hard for me to find that will fit.
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      09-25-2021, 09:48 AM   #2
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I recently purchased a set of BC Forged wheels in 21”, which were the same size as the stock 612Ms. A part of me wishes I went with 20” wheels just because there are more winter tire options, but I can play with sizing within a relevant range and have options at 21”.

I’ve been in other F85s and F86s that ran 22” wheels, and while the difference in ride comfort wasn’t that far off, my issue is that the roads in my neck of the woods are shit. My primary concern was damaging the rim with repeated blows of crappy roads, and blowing out tires. Just my $0.02.
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      09-25-2021, 01:18 PM   #3
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Yeah, available "cheaper" tire options is a main reason I want to switch out from 21's and staggered. I see how fast the rears can get eaten up and don't want to spend so much to replace since I can't rotate. Luckily, here in NC, our roads aren't super bad. Bumpy in some places more so than the moon craters I've seen up north. How did the profile look in those other vehicles with 22's you've seen? I can only see in pics cuz nobody here has a set up like that on an X5 or X6. Would love to see up close in person before I buy, but don't have the option. Glad to hear you didn't find that much diff in the ride comfort
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      09-25-2021, 05:34 PM   #4
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Eh...

I also thought about putting on 22s. But I love the width of the stock rear 21s. This rig looks and handles badass.

When I wash my M I see just how close my tires are to the wheel wells. I have no interest in having problems with fitment.

If I go custom, I'll most likely go with BC Forged in stock 21" size with the MPSSs, but offset to fit more flush with the fenders. Combined with a mild Dinan drop, I think it will be perfect for our driving environment. (I'm in Northeast MA)

BC Forged has very cool wheels and they seem to know how to dial in fitment and look for our F85s.
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      09-25-2021, 05:54 PM   #5
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Cool, 2nd person mentioning BC forged. I'll check them out.
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      09-25-2021, 05:59 PM   #6
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BC Forged

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Originally Posted by redbeast View Post
Cool, 2nd person mentioning BC forged. I'll check them out.
I've contacted them and they mentioned working with a ton of F85s so I think you'll be in great hands with them. Check out the detail in this email:

Chris,

Thank you for your interest and inquiry.

You are able to purchase direct or through any of our dealers. If you purchase through a dealer, you will need to discuss your entire transaction with them solely.

Our vehicle gallery on our website can be sorted by vehicle make, wheel design or finish. There are multiple vehicle galleries showing RZ05 and RS41 as well as multiple X5/X5M galleries...

RZ05 GALLERIES : https://www.bcforged-na.com/media/ve...ve_filter=rz05

RS41 GALLERIES : https://www.bcforged-na.com/media/ve...ve_filter=rs41

BMW (INCLUDING MANY X5/X5M) GALLERIES : https://www.bcforged-na.com/media/ve...ive_filter=bmw

In 22" diameter, we typically produce around a 22x10.5" +32 front and around a 22x11.5" +19 or 22x12.0" +25 rear (both of which sit the same to the fender) which are normally run with 295/30/22 front and 335/25/22 rear tires, like shown in multiple galleries on the website. For reference, the 335/25/22 will just sit slightly differently on the 11.5" or 12.0" wheels. Some customers prefer the look on the 11.5 while some prefer the look on the 12.0". Either way, both of these front and rear tires are within 0.2" of the overall diameter of the OEM tires which is well within the range of what is acceptable. We have produced this exact setup for 150+ X5/X5M vehicles.

The set of 22x10.5" and 22x11.5" or 22x12.0" RZ05 or RS41 will be $4500 shipped within the United States. This pricing includes any finish we offer. All of our wheels are custom made per order and current lead time is around 8 weeks delivered to you.

Please let me know if you have any questions.

Regards,
Jonathan DeHate

BC FORGED // NORTH AMERICA
| PHONE: 1.386.872.3544
| EMAIL: sales@bcforged-na.com
| WEB: http://www.bcforged-na.com
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      09-25-2021, 06:13 PM   #7
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I have the RZ-05s in the same size/offset as the stock 612Ms, but have no plans on lowering the car. They poke out a little bit more than the stockers, but only barely and it doesn’t change ride dynamics at all.
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      09-25-2021, 09:58 PM   #8
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Blue By You, thanks for that info, very detailed. I checked out the gallery and very impressed with the quality photos and selection. Loving the EH171, probably since it looks so much like the Savini pic, price not so much. At over 4k, out of my "wheelhouse" especially since I haven't sold the OEM rims yet to make up the cost difference. Trying to stay financially responsible, difficult to justify with an M, but I digress. But the photos did verify the tire size profile I was wondering about: 295/30/22 vs 285/35/22. Difference in sidewall height is negligible, I believe 3.5 vs 3.9 inch respectively. Was hoping to move to 295/35/22, but worried about fender clearance. Will have to research more on this but it would give 4.1" side wall, still within 1% of OEM fitment (0.7%), but trying to scrape up as high side wall I can go without rubbing. Seems much more lower cost tire options in 285/35's than other sizes so that's a deciding factor too.

m3fuz: Would love to see a pic and shot of how far out they go. I'm sure more aggressive

Last edited by redbeast; 09-26-2021 at 12:00 AM.. Reason: Typed sidewall height wrong 1st time
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      09-26-2021, 09:21 AM   #9
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Hmmm...

Quote:
Originally Posted by redbeast View Post
Blue By You, thanks for that info, very detailed. I checked out the gallery and very impressed with the quality photos and selection. Loving the EH171, probably since it looks so much like the Savini pic, price not so much. At over 4k, out of my "wheelhouse" especially since I haven't sold the OEM rims yet to make up the cost difference. Trying to stay financially responsible, difficult to justify with an M, but I digress. But the photos did verify the tire size profile I was wondering about: 295/30/22 vs 285/35/22. Difference in sidewall height is negligible, I believe 3.5 vs 3.9 inch respectively. Was hoping to move to 295/35/22, but worried about fender clearance. Will have to research more on this but it would give 4.1" side wall, still within 1% of OEM fitment (0.7%), but trying to scrape up as high side wall I can go without rubbing. Seems much more lower cost tire options in 285/35's than other sizes so that's a deciding factor too.

m3fuz: Would love to see a pic and shot of how far out they go. I'm sure more aggressive
After revisiting this, I might still consider the 22s. Who knows, we'll see if I want to keep the M. Might be much cheaper than getting a new one based on what I'm seeing!

FYI Vredestein makes the Vorti in those 22" sizes that BC Forged recommended. They also make the Wintrac Pro in those same sizes, so you could theoretically get 4 seasons out of them if you really wanted to maximize your spend by selling the 21s.
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      09-26-2021, 12:15 PM   #10
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Thanks, I'll check them out. Wheel and tire research was planned today anyway along with putting calipers back together. New prices are super crazy. Really surprised my Grand Cherokee SRT hasn't sold yet since I haven't up'd the price to match the market.
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      09-26-2021, 12:38 PM   #11
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SRT

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Thanks, I'll check them out. Wheel and tire research was planned today anyway along with putting calipers back together. New prices are super crazy. Really surprised my Grand Cherokee SRT hasn't sold yet since I haven't up'd the price to match the market.
That is a little weird. I wonder if it's due to the Trackhawk being released. I wanted an SRT for the longest time. But now they're (relatively) close enough to Trackhawk pricing that I would never buy one. Good luck with the sale!
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      09-26-2021, 07:01 PM   #12
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Thanks, its at a consignment dealership now and their responsibility to advertise and show. Got tired of it killing my grass sitting on the lawn and having to move it every other day! Needs to hurry up and go so I can justify shopping for a badass exhaust upgrade, lol!
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      10-11-2021, 07:18 PM   #13
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Woohoo, SRT sold! Now I have cushion to start figuring out the exhaust mod. Was thinking keep it simple with resonator delete but worried about voiding warranty and what not. Thought about having a double coupling set up to replace straight pipe when it needs to go back into dealership. Went ahead with rim purchase, had to go with what I gravitated to...Savini. Thanks to all with recommendations, I did look and they were beautiful, but out of my $ range (SRT wasn't sold yet).

Doing 22" x 10.5", +25 offset squared. Fronts will stick out 21mm over OEM and rears 7mm over OEM . Looks like I will need spacers after all. Now considering between 285/35/22 or 275/40/22
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      10-11-2021, 08:58 PM   #14
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Quote:
Originally Posted by redbeast View Post
Woohoo, SRT sold! Now I have cushion to start figuring out the exhaust mod. Was thinking keep it simple with resonator delete but worried about voiding warranty and what not. Thought about having a double coupling set up to replace straight pipe when it needs to go back into dealership. Went ahead with rim purchase, had to go with what I gravitated to...Savini. Thanks to all with recommendations, I did look and they were beautiful, but out of my $ range (SRT wasn't sold yet).

Doing 22" x 10.5", +25 offset squared. Fronts will stick out 21mm over OEM and rears 7mm over OEM . Looks like I will need spacers after all. Now considering between 285/35/22 or 275/40/22
40 is definitely too tall... Usually people run 30 or 25 in 22"
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      10-12-2021, 04:57 PM   #15
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40 is definitely too tall... Usually people run 30 or 25 in 22"
Hey LOW4LYF, I thought the 275/40 would be too tall to clear the suspension arm too, but my guy at discount looked up the numbers and found that mathematically it should clear. Has this been confirmed it won't fit? The vehicle is not dropped if that matters. Either way, they are letting me order and mount one tire to a rim when rims ship in and I can test it on the car without purchase. If it doesn't work, I can send the tire back and try the 285/35 which should put me only slightly larger in diameter than stock. The prices are the same on both sizes so there's no upsale advantage. Thought about 30 and 25 but don't want to reduce the sidewall. Thanks for your input! Rims purchased, but tires not yet.
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      10-29-2021, 04:01 PM   #16
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Quote:
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40 is definitely too tall... Usually people run 30 or 25 in 22"
Your statement is confirmed! Test fit one 275/40/22 and it didn't work, but man it is so close it hurts! Cleared everything in the wheel well even at full lock except the arm. Brand new tire won't fit, but I bet if I did a couple rear burnouts I could get the tire down enough. Ofcourse that defeats the purpose of buying new tires, lol! I could grind down the contact point at the arm, but seems a bit extra just to get a tire to fit. Oh well, didn't cost any money to try it. Going with 285/35/22 now and call it a day.
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      10-29-2021, 04:52 PM   #17
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Quote:
Originally Posted by redbeast View Post
Hey LOW4LYF, I thought the 275/40 would be too tall to clear the suspension arm too, but my guy at discount looked up the numbers and found that mathematically it should clear. Has this been confirmed it won't fit? The vehicle is not dropped if that matters. Either way, they are letting me order and mount one tire to a rim when rims ship in and I can test it on the car without purchase. If it doesn't work, I can send the tire back and try the 285/35 which should put me only slightly larger in diameter than stock. The prices are the same on both sizes so there's no upsale advantage. Thought about 30 and 25 but don't want to reduce the sidewall. Thanks for your input! Rims purchased, but tires not yet.
Spacers should fix this.
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      10-29-2021, 08:40 PM   #18
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Spacers should fix this.
Good point, I thought about that, but the offset on the new rims is +25 which poke out 21mm further than OEM so pushing out the fronts more with spacers would require fender flares to not look off and my search for those are bleak so far. Hamaan is asking about 1700 for flares, which in my opinion, is ridiculous for 4 pieces of plastic. Others I've found come from China so no guarantee they fit and would take a loooong time to get here plus the extra cost for paint. My plan is to get the 285/35 and run those until close to replacement time and maybe revisit the requirements necessary for new purchase of 275/40. She's getting dusty sitting in the garage for so long! Thanks for the suggestion StatenEye!
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      10-29-2021, 09:03 PM   #19
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I think the wheel gap isn't going to diminish even if you step up to 285*4. The only real way to decrease the wheel gap is to lower, but you said you are not keen on lowering. My honest opinion is that you will be disappointed with aftermarket wheels on stock height. I'd rather see you run stock wheels w/ spacers on a softer tire while lowered on KWs. Ride quality will be great and you'll have that beefy look.
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      11-02-2021, 04:58 PM   #20
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Quote:
Originally Posted by StatenEye View Post
I think the wheel gap isn't going to diminish even if you step up to 285*4. The only real way to decrease the wheel gap is to lower, but you said you are not keen on lowering. My honest opinion is that you will be disappointed with aftermarket wheels on stock height. I'd rather see you run stock wheels w/ spacers on a softer tire while lowered on KWs. Ride quality will be great and you'll have that beefy look.
I am looking for a smoother ride for sure. KW's? Worth looking into lowering for the right look. Tires havent come in yet, should be this week so I'll be able to mount soon to see what it'll look like. I'll post pics once they're on. Still gonna use the Savini's tho, can't return them now, custom, lol!
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      11-18-2021, 01:07 PM   #21
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So glad I went with the 22's. Mounted 285/35 and the ride is actually smoother than the OEM. Must be the difference in the tire wall I have. Before, every bump would shake the car, now it glides over those same bumps with minimal shuttering. I can still feel the road and still feel grounded, but much more comfortable. Glad I didn't let the bigger rim/rougher ride assumption scare me from trying! Updated pics in my garage page
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