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      08-28-2014, 03:33 PM   #21
M3 Adjuster
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Drives: 1M, X1 M Sport, E46 325ic
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Quote:
Originally Posted by DSCPLN
For the purposes of this thread and as a potential future upgrade..

Can anyone confirm if 265/35/19 Front and 285/35/19 Rear will fit comfortably (without rubbing)?
or do the sidewalls need to be reduced to 30?

You are getting into very specific info.

1- excellent that you have the tire specs...

2- keep in mind that tire manufacturers specs are like specs for shoes.
A " Nike" size 10 is not the same as a " Reebok" Size 10.. is not the same as a ....
In other words.. the width or height of a Yokohama may not match a Michelin due to variances in tire construction.

3- Tire specs should only be considered consistent when comparing specs within the same manufacturer's model tires.

4- Just because the manufacturer lists dimensions in their spec... doesn't mean that they are what the actual dimensions will be once the tire is on YOUR wheel... Keep in mind that all specs come with an indicated " recommended Range of Rim width ." The specs are going to vary based on the rim size that was used when the tire measurements were done. Sometimes manufacturers will indicate the exact rim width used to determine the specs..and some do not give you any clue at all other than recommended range.

6- Within this forum, some drivers have reported that a 255/35 Michelin PSS will fit. Others have indicated that they have some rubbing. note the 26.02 in diameter is taller than the OE size which is 25.75. This explains why some people have experienced issues with rubbbing in the 255/35 size.

7- The 265/35/19 OE tire and wheel combo WILL RUB. Clearly.. the diameter of the tire is highest at 26.30 in. This is what causes it to rub, not the width. This tall tire will hit the fender liner in front of the tire or could also make contact aft (rearward) of the tire. The only question is can you tolerate it. If you drive the car daily.. it's *definitely* gonna rub way too much.

OK.. so..knowing all of the above.. and recognizing that there can be variances across manufacturers.. I would say that the SAFEST, widest, option would be to go 265/30/19. It has the same width as the OE rear tire at 265/35/19.... but it's also much shorter.

I have some 275/30/19s on the rear now.. I might be tempted to put them on front for grins just to see. they are definitely shorter than the stock rear tire.

Last edited by M3 Adjuster; 08-28-2014 at 04:08 PM..
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