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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 help wheel decision



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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
/
ASPECT RATIO
- WHEEL DIAMETER
ORIGINAL TIRES
/
NEW TIRES
/
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 %
                     
Speedo @60mph will read: mph
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      11-14-2012, 02:05 AM   #1
WNF_335i
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Drives: E90 335i 6MT
Join Date: Mar 2012
Location: Brampton/Toronto

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Need help wheel decision

Im planning on getting wheels and tires this spring and been thinking about all the different options i have. Me im more of a performance person rather then a stance but i do want my car sitting right. Im looking for light weight wheel and tires that will hook up nice.

Im in the market for a deep dish or concave wheel(vb3)

i keep reading about 18'' wheel being a better performer then a 19''
"19'' wheels are just for looks"... what are the pros and cons

Also would wider mean better traction? for example would a 18x11 rear
give better traction than a 18x9.5

i want to sit low but still be able to put the power down, as for tires im thinking pilot super sports

all support is apperciated
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      11-14-2012, 07:26 AM   #2
andrew_b
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Drives: 2007 E93 N54
Join Date: Sep 2011
Location: Lexington, KY

Posts: 167
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19s will ride harsher and are more easily damaged when you hit a pothole. Depending on make, they may also be heavier, increasing the unsprung weight in your car (rule of thumb is every pound of unsprung weight is about equal to an extra 10 pounds in the car).

I've been researching wheels for a while, getting ready for a spring tire/wheel upgrade myself. I've decided to go with an Apex wheel, almost certainly the EC-7 in an 18x9 square setup. Apex wheels are very lightweight and strong (they are rotary forged, which is stronger than pressure or gravity cast), and look good. Some nice concave looks in both the Arc-8 and EC-7.

I have yet to hear anything negative about them, and the folks I know with them (some of whom have them on both street and track cars) love them.

Check the sponsor selling forum or their website, they have lots of photos of customer cars with their wheels.
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