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      10-23-2017, 12:22 PM   #1
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20 inch rims tire help

Calling all resident tire experts!

These came off a M5 and will be going on my 535i M-sport.

Fronts: 20x9 ET 20
Rears: 20x11 ET 36

Which tires would you all suggest for the above rims. Looking for a bit more meat to protect the rims and no rubbing issues.

245/40, 285/35
245/35, 285/30
255/35, 295/30

Open to other suggestions, thanks!!
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      10-23-2017, 01:45 PM   #2
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F,R
245/35, 275/30
255/35, 285/30
255/35, 295/30

You could do any of these sizes.
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      10-23-2017, 03:37 PM   #3
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what if I go higher on the side wall?

255/40, 295/35?

Quote:
Originally Posted by cipher5 View Post
F,R
245/35, 275/30
255/35, 285/30
255/35, 295/30

You could do any of these sizes.
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      10-24-2017, 01:29 PM   #4
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I have 343s. Pretty sure it rubs on 295 in the back. I'm running 285 right now.
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      10-28-2017, 12:49 AM   #5
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Quote:
Originally Posted by HitmanX16 View Post
Calling all resident tire experts!

These came off a M5 and will be going on my 535i M-sport.

Fronts: 20x9 ET 20
Rears: 20x11 ET 36

Which tires would you all suggest for the above rims. Looking for a bit more meat to protect the rims and no rubbing issues.

245/40, 285/35
245/35, 285/30
255/35, 295/30

Open to other suggestions, thanks!!
Those offsets are wrong and will not fit without rubbing issues, the rears will rub unless you run alot of negative camber with the 285's and they will look super stretched. Since the offsets are wrong none of those tires will fit without rubbing. The correct offsets for those wheel sizes are +25 to +28 for the fronts and +46 for the rears. Trust me I know, I have those size wheels on my car.

Last edited by Teddylongtooth; 02-17-2018 at 12:48 PM..
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      10-31-2017, 01:44 AM   #6
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Im assuming you don't have the x drive because everyone says in an x drive you need to run a tire setup to make up for the fact of you have targeted wheels
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      11-01-2017, 11:43 AM   #7
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I forgot to mention, these are 343's... they are Rohana's RFX5's. I'm goign to try the 295's in the back.

Quote:
Originally Posted by Sylverlee View Post
I have 343s. Pretty sure it rubs on 295 in the back. I'm running 285 right now.
These literally came off a F10 M5, unless the specs on an M5 is totally different, I don't see why these won't fit. The guy was running 305s in the back and 275s in the front.

Quote:
Originally Posted by Teddylongtooth View Post
Those offsets are wrong and will not fit without rubbing issues, the rears will rub unless you run alot of negative camber with the 285's and they will look super stretched. Since the offsets are wrong none of those tires will fit without rubbing. The correct offsets for those wheel sizes are +28 to +30 for the fronts and +46 for the rears. Trust me I know, I have those size wheels on my car.
Nope it's not a Xdrive

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Originally Posted by Techgeek80s View Post
Im assuming you don't have the x drive because everyone says in an x drive you need to run a tire setup to make up for the fact of you have targeted wheels
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      11-02-2017, 09:58 AM   #8
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Quote:
Originally Posted by HitmanX16 View Post
I forgot to mention, these are 343's... they are Rohana's RFX5's. I'm goign to try the 295's in the back.



These literally came off a F10 M5, unless the specs on an M5 is totally different, I don't see why these won't fit. The guy was running 305s in the back and 275s in the front.



Nope it's not a Xdrive

They will stick out past the fenders front & back and the rears will rub. The M5 has wider front fenders and I currently have 20x11 et +38's on the rear with 295's and they poke past the fenders by 6mm (yours at +36 will poke 8mm) and they rub, so the M5 must have wider rear fenders or narrower rear axles. I have a 550 and those wheels are the wrong offsets for Your car. You'll see when you put them on, if by chance they do fit without sticking past the fenders they are not the offsets you mentioned. Its also possible the M5 owner ran alot of negative camber to make them tuck?? Good luck you've be warned by the experts. Post some pics of them installed.

Also try calling Rohana and asking them, they will tell you they are "Aggressive fitment" which is wheel manufacturers code for "they'll stick out past the fenders and look like shit!" Call them, trust me.

Last edited by Teddylongtooth; 11-02-2017 at 10:17 AM..
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      11-02-2017, 12:10 PM   #9
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305's will not fit on a F10. I'm running 295's with an aggressive offset
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      11-07-2017, 11:37 PM   #10
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sorta in the same dilemma

have a 535xi Mport

Currently have the bmw oem 312 / 20 in wheels
with ac schnitzer springs(drops about an inch)

current wheel setup

front - 245-35-20 - continental a/s dws - Front Wheels: 8.5Jx20 ET33
rear - 275-30-20 - continental a/s dws - Rear Wheels: 9Jx20 ET44

wanted to know if I can increase it to

245-40-20 or 255-30-20 - front
275-35-20 or 285-30-20 - rear

will it cause vibrations.. or rubbing.

any help would be appreciated.
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      11-09-2017, 11:19 AM   #11
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Quote:
Originally Posted by HitmanX16 View Post
Calling all resident tire experts!

These came off a M5 and will be going on my 535i M-sport.

Fronts: 20x9 ET 20
Rears: 20x11 ET 36

Which tires would you all suggest for the above rims. Looking for a bit more meat to protect the rims and no rubbing issues.

245/40, 285/35
245/35, 285/30
255/35, 295/30

Open to other suggestions, thanks!!
Pretty aggressive offsets with those widths. I've got same size wheels ,but ET26 front and ET46 rear. I've got 255/35 and 295/30 tires, but 295/30 will rub with ET36. You might get away with 285/30/20.
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      11-27-2017, 01:56 PM   #12
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Quote:
Originally Posted by Teddylongtooth View Post
They will stick out past the fenders front & back and the rears will rub. The M5 has wider front fenders and I currently have 20x11 et +38's on the rear with 295's and they poke past the fenders by 6mm (yours at +36 will poke 8mm) and they rub, so the M5 must have wider rear fenders or narrower rear axles. I have a 550 and those wheels are the wrong offsets for Your car. You'll see when you put them on, if by chance they do fit without sticking past the fenders they are not the offsets you mentioned. Its also possible the M5 owner ran alot of negative camber to make them tuck?? Good luck you've be warned by the experts. Post some pics of them installed.

Also try calling Rohana and asking them, they will tell you they are "Aggressive fitment" which is wheel manufacturers code for "they'll stick out past the fenders and look like shit!" Call them, trust me.
You're right they do poke, but it isn't too bad. I actually like a little bit of the poke, it makes the car look much more aggressive. I could only assume either he ran a negative camber or rolled his fenders cause I can't imagine 305's fitting in the back. The 295's I put back there did rub, but switched to 285's and it works


Quote:
Originally Posted by remmib View Post
Pretty aggressive offsets with those widths. I've got same size wheels ,but ET26 front and ET46 rear. I've got 255/35 and 295/30 tires, but 295/30 will rub with ET36. You might get away with 285/30/20.
The 255/35 in the front fit fine with no rub. You are definitely right about the backs rubbing at 295/30. They rubbed but just BARELY, I would have to hit huge dips for the tires to hit the fenders. So I went with 285/30 and there are no rubbing issues at all.
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      11-28-2017, 07:33 AM   #13
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Quote:
Originally Posted by HitmanX16 View Post
You're right they do poke, but it isn't too bad. I actually like a little bit of the poke, it makes the car look much more aggressive. I could only assume either he ran a negative camber or rolled his fenders cause I can't imagine 305's fitting in the back. The 295's I put back there did rub, but switched to 285's and it works




The 255/35 in the front fit fine with no rub. You are definitely right about the backs rubbing at 295/30. They rubbed but just BARELY, I would have to hit huge dips for the tires to hit the fenders. So I went with 285/30 and there are no rubbing issues at all.
for the M5's it's pretty common for those guys to run 305's in the rear. but for us 5 series a 305 would hit unless you get a set of custom wheels with offsets that will let the rear wheel sit more inside without rubbing the rear fender.
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      11-28-2017, 11:00 AM   #14
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Quote:
Originally Posted by HitmanX16 View Post
You're right they do poke, but it isn't too bad. I actually like a little bit of the poke, it makes the car look much more aggressive. I could only assume either he ran a negative camber or rolled his fenders cause I can't imagine 305's fitting in the back. The 295's I put back there did rub, but switched to 285's and it works




The 255/35 in the front fit fine with no rub. You are definitely right about the backs rubbing at 295/30. They rubbed but just BARELY, I would have to hit huge dips for the tires to hit the fenders. So I went with 285/30 and there are no rubbing issues at all.
How does the 285 look on the 20x11? Can you post a pic of them on the car? Im either getting new rear wheels or 285's, I would like it see how the smaller tire looks. Thanks
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      11-29-2017, 07:43 AM   #15
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Quote:
Originally Posted by Teddylongtooth View Post
How does the 285 look on the 20x11? Can you post a pic of them on the car? Im either getting new rear wheels or 285's, I would like it see how the smaller tire looks. Thanks
Teddy, that's going to be a super stretched look on 285's. here's mine on a 21x11 295's
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      11-29-2017, 07:51 PM   #16
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Quote:
Originally Posted by HitmanX16 View Post
You're right they do poke, but it isn't too bad. I actually like a little bit of the poke, it makes the car look much more aggressive. I could only assume either he ran a negative camber or rolled his fenders cause I can't imagine 305's fitting in the back. The 295's I put back there did rub, but switched to 285's and it works




The 255/35 in the front fit fine with no rub. You are definitely right about the backs rubbing at 295/30. They rubbed but just BARELY, I would have to hit huge dips for the tires to hit the fenders. So I went with 285/30 and there are no rubbing issues at all.
I have the same wheels as you.
I'm on 20x11 +28 rears with 295/20/20. I raised to 1 finger gap on coils and no rubbing.
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      11-30-2017, 11:30 AM   #17
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Quote:
Originally Posted by lsturbointeg View Post
Teddy, that's going to be a super stretched look on 285's. here's mine on a 21x11 295's
I'm just going to get new rear wheels in the correct offsets, I dont like how they poke. I had 20x11 et32' with 305/25r20's and they rubbed bad, then I switched to 295/25r20's and they rubbed but only on the sidewall and with 1.2 degres of negative camber. Then I swtched to 295/30r20's, had the offsets changed to +38 and had the negative tire destroying camber removed and they still rub on the sidewall, FML!!! I'm getting new rears, prolly 20x10 +40's and repowder coat to gloss black, Forgestars flat black powrder coat is garbage and the wheels turned a faded gray color in a year no matter how good and often I cared for them. I might get 21's also, still deciding. I'm not responding to anymore threads with questions about a 20x11 with a offset under +46 because I know for a fact they all rub with 295 and these guys keep saying they don't. Been there done that, they fuckin rub.


Heres a pic of my 20x11's +38 with a 295/30r20 on h&r springs with the tire in the wheel well, looks like it's rubbing to me...
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Last edited by Teddylongtooth; 11-30-2017 at 01:16 PM..
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      11-30-2017, 11:49 AM   #18
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Quote:
Originally Posted by Teddylongtooth View Post
How does the 285 look on the 20x11? Can you post a pic of them on the car? Im either getting new rear wheels or 285's, I would like it see how the smaller tire looks. Thanks
The rim will be exposed but its actually not as bad as I thought it would be.

View post on imgur.com


Also my car is on the stock suspension, which I'm still debating if I want to lower
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      11-30-2017, 01:17 PM   #19
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Quote:
Originally Posted by HitmanX16 View Post
The rim will be exposed but its actually not as bad as I thought it would be.

View post on imgur.com


Also my car is on the stock suspension, which I'm still debating if I want to lower
Thank you!! lots of stretch on that 11'' thou.
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      11-30-2017, 01:30 PM   #20
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Quote:
Originally Posted by HitmanX16 View Post
The rim will be exposed but its actually not as bad as I thought it would be.

View post on imgur.com


Also my car is on the stock suspension, which I'm still debating if I want to lower
That's not that bad at all. You can even go down to 275. But how much stretch isn't always determined by tire size, but the brand and model as well.

Here is 275/35/20 on 20x11+35. One size down from your current.
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      11-30-2017, 02:26 PM   #21
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Quote:
Originally Posted by Teddylongtooth View Post
Thank you!! lots of stretch on that 11'' thou.
yup! i kinda figured it would have a really stretched look
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      11-30-2017, 02:28 PM   #22
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Quote:
Originally Posted by Aaron@Autosource View Post
That's not that bad at all. You can even go down to 275. But how much stretch isn't always determined by tire size, but the brand and model as well.

Here is 275/35/20 on 20x11+35. One size down from your current.
see...with that offset and the smaller tire 275's it actually looks like a pretty damn good fitment
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