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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 > Tire Tread Depth?



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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      01-23-2008, 06:57 PM   #1
sandyeggo325i
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Tire Tread Depth?

How much of Lincoln should be covered when using a penny to check tread on stock RFT tires on the OEM 189s to be considered "new" ?

TIA
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      01-24-2008, 05:27 AM   #2
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Once you mount a tire on the wheel it is NOT considered new anymore. It's used. But to answer your question check tire rack for all that info.
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