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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > Need some opinion on wheel size



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Wheel offset calculator courtesy of BimmerPost.com. You may use this calculator to calculate what tire sizes you might need if you upgrade your tires, or what wheel sizes/offsets are compatible with your car.
    Current Wheel Width  inches             Current Wheel Offset  mm.
         New Wheel Width  inches                  New Wheel Offset  mm.
 
TIRE WIDTH
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- WHEEL DIAMETER
ORIGINAL TIRES
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NEW TIRES
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Based on your stock wheel setup, your new wheel will have:
Original Tires Diameter (in.)
      New Tires Diameter (in.)
  Difference in diameter (in.)
           Percent Difference %
                     
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      05-06-2008, 08:15 AM   #1
mr.bob
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Need some opinion on wheel size

I know this has been asked and I have read many posts / threads, but I guess I just want some personal advice on wheel Size. I have an 08 E92 XI that came with the 17" wheels and RFT's. I want more than anything to put some aftermarket tires and wheels on the car. Mind you, I spent most of my $$$ on the car and don't have a lot left, so I emailed EAS, JLeviSW and **********s. All three gave me a package Price which was good. The problem is because I live in Conecticut and there are potholes all over the place, some folks tell me to go with 18" wheels for the extra sidewall on the tires and others say, no go with the 19"s. My question to you guys is which do you think is better. The staggered 18" setup or the NON staggered 19" for my E92 XI. I don't want to spend the bucks and find out a month from now that I made a big mistake.
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      05-06-2008, 11:40 AM   #2
SV Concepts III
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Bob,

I would personally do the 19" wheel setup. While the ride will be a bit firmer, the difference in sidewall between an 18" and 19" setup is not drastic. I also feel the 18's are a bit undersized for the E9x chassis, the 19's really fill out the fender a lot better than a set of 18s.
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      05-06-2008, 11:56 AM   #3
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I think if you go 18's you're just going to feel that regret you didn't get 19's. As to the wheels, they'll hold up to the potholes, and if they don't it isn't that expensive to replace the wheel. That said don't go driving into pot holes

Ultimately its your call at the end, and you should do what you feel would make you the happiest.
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      05-06-2008, 12:22 PM   #4
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go 19's.... if you get 18's, you will regret not getting 19's for sure.... do it right the first time....
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      05-07-2008, 04:08 AM   #5
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Well the 19's have it. Deff go with the nicer 19 inch.
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