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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 > ??????????????????????



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      05-05-2008, 04:45 PM   #1
ohten
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??????????????????????

I have a question that maybe someone here can answer.I have a 2008 335i w/sport package and it seems that I am going slower than most and it feels like I am not going the same speed as on the speed odometer(slower).Are these cars calibrated with the larger wheels or is it the same rolling mass as the 17in. wheel package.

I traded in a 2008 Vette for this car and in the Vette at 70mph it did feel as if you were going 70mph.
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      05-05-2008, 04:53 PM   #2
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BMW speedo's are a little off. 75 is actually around 70 or something. Do a search and you'll find lots of info.
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      05-05-2008, 04:55 PM   #3
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Thanks for the info,is there a fix for this?I will do a search to see what I can dig up.
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      05-05-2008, 09:30 PM   #4
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This is interesting. No wonder I always seem to be cruising at 80mph.
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      05-06-2008, 05:43 AM   #5
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Does anyone else have input on this?
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      05-06-2008, 11:08 AM   #6
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The overall diameter of the 17" and 18" wheels are almost the same, don't think you could feel the difference.
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      05-06-2008, 11:31 AM   #7
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I dont think the wheels make a difference. I was going 70 on the highway the other day. GPS says 70, but SPEEDO said 75. So it is about 5 MPH off. If you do a search you will find alot of info on this.
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