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The Tire Rack's Tire & Wheel Forum
Use this forum to discuss anything in relation to wheels to tires to offsets.
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Old 08-25-2003, 03:56 AM   #1
AliBaba&His40
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My Ride: 2004 330i ZHP
255-40's???

Hey guys - I wanna replace the rear tires on my '01 330Ci. I've got 235-40-18 Bridgestone RE730 all around on 18x8 AT Riva Italia's.

I'm considering Potenza S-03PP 255-40-18 for the rear 2 only (the fronts are still fine).

Has anyone done this?

Doing the math: The 255-40's are only 16mm taller than my current tires, but are 25.5mm taller than 255-35's (which are, of course, the "max" recommended OEM's and would fit great - but they're 25.5-16=almost 10mm shorter than what I have up front - may look funny?).

Thanks in advance -
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Old 08-25-2003, 07:31 AM   #2
Gary@Tirerack
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255/40R18 normally rubs on non-M cars, but 255/35R18 has a much better chance of fitting depending on the wheel size/offset.
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Old 08-25-2003, 01:34 PM   #3
AliBaba&His40
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Originally posted by Gary@Tirerack
255/40R18 normally rubs on non-M cars, but 255/35R18 has a much better chance of fitting depending on the wheel size/offset.
Thanks for the reply. My only concern is that the 255-35's are not quite as tall as my 235-40's up front.

Anyone know if this will be a problem - visually or otherwise?
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Old 08-25-2003, 02:20 PM   #4
Gary@Tirerack
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The height difference is negligable, running 255/35R18 rear with 235/40R18 front is pretty common amoung E46Fanatics members. If the height difference is a large concern, you can always go back to 225/40R18 on the front.
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