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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 > Can I go from 18" to 17"?



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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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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.)
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  Difference in diameter (in.)
           Percent Difference %
                     
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      01-10-2013, 01:59 AM   #1
aolsux00
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Can I go from 18" to 17"?

Would the car give me any error codes if I went from my stock 18" rims to 17" rims? I want to put on 17" rims so I can put on runflats that aren't low profile. I'm tired of damaged tires and rims from potholes.
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      01-10-2013, 03:01 AM   #2
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yeah you could. but why dont you just get thicker tires? instead of 35 try 45
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      01-10-2013, 04:35 AM   #3
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I was told by the tire shop that the front wouldn't fit. I wish I could do that.
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      01-10-2013, 12:10 PM   #4
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Quote:
Originally Posted by aolsux00 View Post
I was told by the tire shop that the front wouldn't fit. I wish I could do that.
Correct. Taller tires can rub on the inside front suspension or on fenders depending on the specs of the wheels/tires.

You can indeed minus size to 17" but not many will clear the brakes. We have a complete list of the wheels we sell in 17" that fit at our web site :

Wheels http://www.tirerack.com/a.jsp?a=AH8&...eels/index.jsp

You will not get error codes by changing.
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      01-10-2013, 01:05 PM   #5
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Any OEM E9x 17" or even 16" will fit fine.
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      01-10-2013, 01:11 PM   #6
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He's got a 328 apparently, any 17 will fit given appropriate offset. Most 16 would too.
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      01-10-2013, 10:41 PM   #7
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Thanks guys, I appreciate the help.
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