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      11-19-2013, 02:35 PM   #1
stevens
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What size tyres?

Chaps

apologies in advance for being a noob on this subject, ive read a few posts and the rub/no rub index etc so im just getting an opinion if you would be so kind

I have bought some new wheels as below:

19x9.5 et33 front
19x10 et22 rear

It has been suggested that I can get the following tyres and be fine:

F - 255/35/19
R - 275/35/19

What im not sure about after reading a few of the posts, is if the above wheels as is with no spacers will be fine, or can I fit some different tyres possibly with spacers and still not rub.

currently I have standard OEM 220s with 20mm at the front and 15mm spacers at the rear (and yes it catches just slightly) but considering going down to 15/12 on those wheels (my winters).

Thanks in advance
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      11-20-2013, 05:36 AM   #2
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noone?
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      11-20-2013, 09:57 AM   #3
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What suspension do you have? Stock?
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      11-20-2013, 10:10 AM   #4
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yes mate stock.
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      11-20-2013, 03:55 PM   #5
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anyone? just want to be sure before I buy the tyres, its a 2009 e92 m3 btw.
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      11-20-2013, 04:36 PM   #6
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Yeah should be fine. Roll your fenders just in case
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      11-20-2013, 10:43 PM   #7
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Quote:
Originally Posted by Nitrous Garage View Post
Yeah should be fine. Roll your fenders just in case
There is nothing to roll on an M3.
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      11-20-2013, 10:45 PM   #8
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Your tire sizes will fit but that wheel size and offset combination is odd. I would run a 12mm spacer in the front. Most people would choose wheel sizes that are either square or staggered by 1" considering your tires are a 20mm stagger.
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      11-20-2013, 10:53 PM   #9
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I would run a 265/30/19 and a 285/30/19, but the sizes you also mentioned are fine as well. However, as Slicer mentioned you will probably would want to run a spacer. I wouldn't want to go much beyond a ET22 with a 9.5" wheel so that means a 11mm spacer which doesn't exist. So a 12.5mm spacer should be fine although it will be aggressive.


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      11-20-2013, 11:01 PM   #10
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Quote:
Originally Posted by Nitrous Garage View Post
Yeah should be fine. Roll your fenders just in case
The issue isn't going to be fender rub, but maybe rubbing on the inner fender liner as it will be more inboard by almost 10mm, although even without a spacer it should be fine.

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      11-21-2013, 04:29 AM   #11
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Thanks guys

Sorry in advance for all the questions

So as I understand it (please correct me if im wrong), the standard 220 wheels are 19x8.5 et29 and 19x9.5 et23 for the rear, on the fronts I have a 20mm spacer at the moment giving me effectivly et9 and sitting 20mm further out, if I was to add a 10mm spacer to the new 19x9.5 making it et23 would this be too much and catch?

From a few of the websites I have checked this would sit 7mm further in and about 19mm out (matching my current 220 setup bar 1mm on the outside)? or is et23 going to be too much on the 9.5" wheel and I need to go 12mm spacer, which gives 5 inside and 21 outside (1mm more on the outside than my 220s).

For the rear, as it stands the 10" wheel will be 6mm closer and stick out 6mm as well, I currenly have a 15mm spacer on the rear but it does catch on large bumps so I was going to reduce this down to a 12mm on the 220s. To match this on the rear, I would need about a 5mm spacer (none hubcentric) as a 10 would push it out more than I want and definatly catch.

Is any of the above going to affect how the car drives?

Thanks
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      11-21-2013, 04:32 AM   #12
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sorry, and can someone tell me why I would use 265/30/19 and a 285/30/19 over the 255/35 and 275/35? is it because they are not as wide and will help with the clearance?
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      11-22-2013, 07:52 AM   #13
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      11-22-2013, 09:51 AM   #14
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Quote:
Originally Posted by stevens View Post
Thanks guys

Sorry in advance for all the questions

So as I understand it (please correct me if im wrong), the standard 220 wheels are 19x8.5 et29 and 19x9.5 et23 for the rear, on the fronts I have a 20mm spacer at the moment giving me effectivly et9 and sitting 20mm further out, if I was to add a 10mm spacer to the new 19x9.5 making it et23 would this be too much and catch?

From a few of the websites I have checked this would sit 7mm further in and about 19mm out (matching my current 220 setup bar 1mm on the outside)? or is et23 going to be too much on the 9.5" wheel and I need to go 12mm spacer, which gives 5 inside and 21 outside (1mm more on the outside than my 220s).

For the rear, as it stands the 10" wheel will be 6mm closer and stick out 6mm as well, I currenly have a 15mm spacer on the rear but it does catch on large bumps so I was going to reduce this down to a 12mm on the 220s. To match this on the rear, I would need about a 5mm spacer (none hubcentric) as a 10 would push it out more than I want and definatly catch.

Is any of the above going to affect how the car drives?

Thanks
Steven
Two of us already suggested a 12mm spacer in the front. I do not suggest a 10mm spacer because they aren't always compatible with BMW hubs and wheels. You could also try your 15mm spacer before you purchase a 12mm. I have run as low as et15 in the front on 9.5" wheels with 275/30/19 tires without rubbing. I have around -2.0 degrees of camber and my ride height is at least 1.5" lower than stock. You are stretching a 255 on the same size wheel so you will have more flexibility. I would start by using no spacer in the rear. Test fit it and add a spacer if desired.

You can use your current setup as a guide but your wheel and tire widths differ. The tires will sit differently on your new wheels because they will be more stretched (assuming you go with the sizes you proposed (255/275).
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      11-22-2013, 11:06 AM   #15
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Thanks Slicer

I appreciate yours and Dave's (and everyones) paitence and advice im just new to this thats all.

I think im getting my head around this now. The 255 is stretched because a 265 would fit more naturally, but because of the extra height of the 35 profile im better with a 265/30 or even pushing it 275/30 at et21 (using the 12mm spacer)?

The rear at et22 should be ok as is, can I push this with a 295/30? or is it best to stick to 285/30?

I guess im asking, can I go 275/30 on the front and 295/30 on the rear using a 12mm spacer without any "major" worrys of catching from your experience.

Thanks
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      11-22-2013, 02:00 PM   #16
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Quote:
Originally Posted by stevens View Post
Thanks Slicer

I appreciate yours and Dave's (and everyones) paitence and advice im just new to this thats all.

I think im getting my head around this now. The 255 is stretched because a 265 would fit more naturally, but because of the extra height of the 35 profile im better with a 265/30 or even pushing it 275/30 at et21 (using the 12mm spacer)?

The rear at et22 should be ok as is, can I push this with a 295/30? or is it best to stick to 285/30?

I guess im asking, can I go 275/30 on the front and 295/30 on the rear using a 12mm spacer without any "major" worrys of catching from your experience.

Thanks
You pretty much got it, except a 295/30/19 will fit the 10" wide wheel but won't be optimum. However, since its on the rear not the front you won't lose any steering precision due to the lack of sidewall support.

Dave
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      11-23-2013, 05:11 AM   #17
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Thanks Dave I think ill be looking at 275/30 and 295/30 then

Cheers
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