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      04-23-2020, 02:10 PM   #1
E92TTKING
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f90 m5- Lightweight 19" or 20" wheels??

Can anyone lead me to some lightweight (19'' preferred) wheels or 20" for the f90 that arent 1500-2k each wheel?

Thanks!
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      04-24-2020, 09:45 PM   #2
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I’m also looking not easy !!!
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      04-24-2020, 09:51 PM   #3
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Try vossen
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      04-25-2020, 03:06 PM   #4
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Titan 7, forged and about 800/wheel. Best value I could find and went that direction. Setup is 285/35/20 and 305/35/20. You can go smaller tire size than that if you want, mine is the max you can do.
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      04-28-2020, 09:30 PM   #5
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Quote:
Originally Posted by Jocko78 View Post
Titan 7, forged and about 800/wheel. Best value I could find and went that direction. Setup is 285/35/20 and 305/35/20. You can go smaller tire size than that if you want, mine is the max you can do.
thanks for info so far these are only ones ive been able to find as well. Trying to find other though and maybe 19's too!
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      05-07-2020, 10:04 AM   #6
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Quote:
Originally Posted by Jocko78 View Post
Titan 7, forged and about 800/wheel. Best value I could find and went that direction. Setup is 285/35/20 and 305/35/20. You can go smaller tire size than that if you want, mine is the max you can do.
I'm running 295/35/20 and 305/35/20 PS4's on my titans. That keeps the f/r ratio like stock and it fits and looks amazing. It's also lowered on Eibach springs.
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Last edited by Higgs Boson; 05-07-2020 at 01:08 PM..
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      05-07-2020, 12:33 PM   #7
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Dinan 20" wheels are worth a look. Significantly lighter than stock.

$3k Lightweight (Front: 22.5 lbs; Rear: 23.6 lbs)

https://www.dinancars.com/products/w.../D750-0093-BRU
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      05-07-2020, 06:45 PM   #8
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Quote:
Originally Posted by Higgs Boson View Post
Quote:
Originally Posted by Jocko78 View Post
Titan 7, forged and about 800/wheel. Best value I could find and went that direction. Setup is 285/35/20 and 305/35/20. You can go smaller tire size than that if you want, mine is the max you can do.
I'm running 295/35/20 and 305/35/20 PS4's on my titans. That keeps the f/r ratio like stock and it fits and looks amazing. It's also lowered on Eibach springs.
Quote:
Originally Posted by Higgs Boson View Post
Quote:
Originally Posted by Jocko78 View Post
Titan 7, forged and about 800/wheel. Best value I could find and went that direction. Setup is 285/35/20 and 305/35/20. You can go smaller tire size than that if you want, mine is the max you can do.
I'm running 295/35/20 and 305/35/20 PS4's on my titans. That keeps the f/r ratio like stock and it fits and looks amazing. It's also lowered on Eibach springs.
That is great to hear that you can run 295/35-20s in the front on titan7s and you have no rubbing at all at stock ride height ??

I would like to run a square tire and wheel set up. Would you advise 285 or 295 square and with 4 Titan7 "front " wheels or 4 Titan 7 "rear" wheels??
Thanks!!
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      05-07-2020, 08:42 PM   #9
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Quote:
Originally Posted by Jonathan G. View Post
That is great to hear that you can run 295/35-20s in the front on titan7s and you have no rubbing at all at stock ride height ??

I would like to run a square tire and wheel set up. Would you advise 285 or 295 square and with 4 Titan7 "front " wheels or 4 Titan 7 "rear" wheels??
Thanks!!
Not only does it not rub stock, the car is lowered on Eibach springs and doesn't rub.

A 295 on front wheels mounted on the rear will push the sidewall out 11mm and......... the front will come out 16mm which is very similar to popular spacer widths.

A 295 on rear wheels mounted on the rear will push out only 3mm and 295 on rear wheels mounted up front would push out 8mm.

I would definitely go with fronts on 295s for a square setup. The rear will be a little tight but you can run a bit more camber and be ok or just go with rear wheels and 295s and be similar to stock clearance.
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      05-07-2020, 09:18 PM   #10
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Quote:
Originally Posted by Higgs Boson View Post
Quote:
Originally Posted by Jonathan G. View Post
That is great to hear that you can run 295/35-20s in the front on titan7s and you have no rubbing at all at stock ride height ??

I would like to run a square tire and wheel set up. Would you advise 285 or 295 square and with 4 Titan7 "front " wheels or 4 Titan 7 "rear" wheels??
Thanks!!
Not only does it not rub stock, the car is lowered on Eibach springs and doesn't rub.

A 295 on front wheels mounted on the rear will push the sidewall out 11mm and......... the front will come out 16mm which is very similar to popular spacer widths.

A 295 on rear wheels mounted on the rear will push out only 3mm and 295 on rear wheels mounted up front would push out 8mm.

I would definitely go with fronts on 295s for a square setup. The rear will be a little tight but you can run a bit more camber and be ok or just go with rear wheels and 295s and be similar to stock clearance.
Thanks for the detailed reply. So why not use 4 Titan 7 rear wheels with a 295 /35-20 square set up if they still will not rub in the front? This way , one has a little more fit flexibility and could make fine tuning adjustments with thin spacers if need be. Am I missing something?
Would any recommendations change if I went with 285/35 square set up and just used bigger spacers?
I have run square 285/35 winter tires on the staggered 9.5"/10.5" oem wheels and was happy with that. I was going to leave the winter tires on the oem wheels and go with a square Titan7 set up on the summer tires. For me , the advantages of tire rotation and tire life with square set up outweigh the slight stagger looks
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      05-07-2020, 11:07 PM   #11
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In my last sentence I suggest using rear wheels if you are concerned about clearance.
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      05-07-2020, 11:24 PM   #12
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295/35 and 305/35 setup looks killer.

I’m going 285/35 front with 305/35 rear on mine. Will try that first on 20’s and next setup will be 21’s
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      05-08-2020, 01:54 AM   #13
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Quote:
Originally Posted by Higgs Boson View Post
In my last sentence I suggest using rear wheels if you are concerned about clearance.
Thanks!
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      05-10-2020, 01:07 PM   #14
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20 inch Titan 7 wheels are about 4-5 lbs lighter than stock 789M forged wheels. That is very minor difference that will get eaten up by the larger tire size. The only way to lower weight is to go 19-th in size.
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      05-11-2020, 06:43 AM   #15
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Quote:
Originally Posted by AMOR View Post
20 inch Titan 7 wheels are about 4-5 lbs lighter than stock 789M forged wheels. That is very minor difference that will get eaten up by the larger tire size. The only way to lower weight is to go 19-th in size.
The 285 pirelli is 1 pound lighter (30) than the 305 michelin (31).....so not exactly "eaten up." especially when you consider all the benefits/reasons for wheel/tire swaps.

typically when you go to wider wheel and wider (and taller) tire and still weigh less you are ahead.
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      05-12-2020, 05:38 PM   #16
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Quote:
Originally Posted by Higgs Boson View Post
The 285 pirelli is 1 pound lighter (30) than the 305 michelin (31).....so not exactly "eaten up." especially when you consider all the benefits/reasons for wheel/tire swaps.

typically when you go to wider wheel and wider (and taller) tire and still weigh less you are ahead.
285/35 x 19 tire would be 2-3 lbs lighter than 305/35 r20.
And you could go R-compound with plenty of choices in 19 inch size. Lower price too.
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      05-13-2020, 06:52 AM   #17
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Quote:
Originally Posted by AMOR View Post
285/35 x 19 tire would be 2-3 lbs lighter than 305/35 r20.
And you could go R-compound with plenty of choices in 19 inch size. Lower price too.
yes, I am sure an R compound tire is very popular on the F90.
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      01-19-2023, 03:08 PM   #18
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Quote:
Originally Posted by apsuard View Post
295/35 and 305/35 setup looks killer.

IÂ’m going 285/35 front with 305/35 rear on mine. Will try that first on 20Â’s and next setup will be 21Â’s
Just a little advice if the tire shop didn't already explain but OE tire size is 285/35/20 rear and 275/35/20 front. The wider the tire 285, 295, 305 that also affects diameter so you don't want a bigger diameter than the cars speedometer is calibrated for plus who wants to raise the car I'm trying to go down lol.
So 305/35/20 is way to big you want diameter to stay as close to OE specs as possible.
Look up tire comparison calculator.
305/35 would be roughly 1.9% bigger diameter and almost 2in circum. that's quite a bit. Problem is can't go down from 35 to 30 on sidewall it would be way to small .
295/35/20 is your best bet at only about .7% bigger diameter and .8in circum.
Maybe you know this but just in case.
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      01-29-2023, 06:10 PM   #19
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Quote:
Originally Posted by Higgs Boson View Post
I'm running 295/35/20 and 305/35/20 PS4's on my titans. That keeps the f/r ratio like stock and it fits and looks amazing. It's also lowered on Eibach springs.
Any rub? Spacers?
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      01-29-2023, 06:17 PM   #20
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Any rub? Spacers?
neither as far as I remember, sold that car a couple years ago
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      01-31-2023, 11:41 AM   #21
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hit up https://www.rexracingwheels.com/ fully forged and 100% custom. Turnaround is 5 weeks.
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