Recommended Tire Size - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

 
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#1 (permalink) Old 04-02-2005, 12:42 PM
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I just bought a 99 323i that's been lower with Eibach ProKit. I also got a set of 17x8.5" (front) and 17x9.5" (rear) Breytons with the car. The wheels have 235/40-17 on the fronts, and 245/40-17s in the rear.

I'm going to replace all four tires, and put the wheels on the car. The front tires look okay size wise, but the rears look a little small (not wide enough).

What's the recommended tire size for both wheel sizes, and will they fit my lowered car without rubbing?

Thanks...

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#2 (permalink) Old 04-02-2005, 02:02 PM
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The 17x9.5 rear with a 245 on it.

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#3 (permalink) Old 04-02-2005, 02:19 PM
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A 9.5" wheel gives you plenty of room to slap some wide shoes on. You could go up to a 275, but that's probably a bit overkill. A good set up would be 235/45ZR17's up front and 255/40ZR17's outback, this would yield a difference of less than 10 revolutions per mile (front to back), and is very good for a staggered set up.

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#4 (permalink) Old 04-02-2005, 03:00 PM
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with 9.5 you can def put a wide tire but for a 3 series non M and especially when its lowered, im pretty confident you will be able to put 255 wide tires max in the rear. unless you wanna go roll your fenders
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#5 (permalink) Old 04-02-2005, 08:28 PM
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Thanks for the info, guys.

I'm thinking about a 255/35 in the back, and whatever matches that best up front. I would like for the tires to have a little less of a profile as well. Also, going with a 35 over a 40 in the back will help prevent rubbing, correct?

I'd like to avoid rolling my fenders.

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#6 (permalink) Old 04-03-2005, 04:04 AM
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Will 225/40/18, 235/40/18, or a 245/40/18 fit like stock (without pulling the fenders) on a 2000 323ci???

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#7 (permalink) Old 04-03-2005, 11:39 AM
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gaurantee 235/40 or 225/40 will fit without rubbing issue on 18
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#8 (permalink) Old 04-04-2005, 12:17 PM
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Quote:
Originally posted by woobiee@Apr 3 2005, 09:39 AM
gaurantee 235/40 or 225/40 will fit without rubbing issue on 18
[snapback]324383[/snapback]
How is the ride? Is it really that much noticable from 16's or 17's???
I just want to make sure if I put some 18's on that my 323ci will drive just as nice.
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#9 (permalink) Old 04-04-2005, 02:07 PM
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ive been on coilovers for a while now and i dont think i remember how it was without the that setup.

i think the ride was abit stiffer. and depending on tire, my tires were 'louder' than my stocks. even using the same brand/type tires, 16 vs 18, the 18 will exert more road noise.
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