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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 > Wheel fitment



Wheels and Tires forum Sponsored by The Tire Rack
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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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      11-04-2005, 11:18 AM   #1
wu852
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Drives: Alpine White 325i
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Wheel fitment

DOes anyone know if a set of 18*9 rims will fit a non sport 325 i and also what size tires i would need?
thanks
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      11-04-2005, 11:20 AM   #2
wu852
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also they have 45 mm offset
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      11-04-2005, 12:05 PM   #3
voltron1011
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18's will fit fine, but 45mm offset is a bit too far under the fenders. If you get them, you may need some spacers to push them out. Try to find some rims with 34 to 37mm offset.
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      11-04-2005, 12:43 PM   #4
eros613
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With an 18 x 9" rim I would not vary much from the OEM 34mm offset. There is not much clearance (12mm) in front between the tire and strut/spring. I went with a 40mm offset on a 17x 8" Beyern rim and have very little clearance left (6mm). So far I have not had any problems

Use the calculator above and input the specs on the wheels you are interested in and measure your clearance with your stock setup so you know what you started with.
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