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  #11  
Old 11-14-2009, 07:59 PM
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I did not mean to imply your accuracy - just thought you modified something to extend the limit. Both are listed as 155 on the BMWUSA website but I have found inaccurate specifications/information before on the US/North American website. I know that I read somwhere about the top speed being 171 with the "M" Driver's package - but it was a European spec. It sounds like the regular spec is 171, just not listed correctly on the US site - very impressive!
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  #12  
Old 11-15-2009, 12:46 AM
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Quote:
Originally Posted by rleestma View Post
Well, I've got an X6M maybe they raised limit based on aerodynamics vs. the X5M? I can assure you what I saw on the HUD...
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  #13  
Old 11-15-2009, 09:31 AM
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Originally Posted by rleestma View Post
Well, I've got an X6M maybe they raised limit based on aerodynamics vs. the X5M? I can assure you what I saw on the HUD...
You maybe new to BMW, their speedo has 2-3% inaccuracy, what you saw was an inflated speed based on BMW speedo error.
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  #14  
Old 11-15-2009, 09:44 AM
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Most speedos in triple digits are inaccurate. The 2006 GTO (last year they built it) only had 400hp shoved in a HUGE vehicle. Zero-60 on the GTO is 4.7 and top speed is 160mph, so if he truly went to redline in the last gear the GTO would in theory be ahead but in reality at that speed on anything but a track, is silly
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  #15  
Old 11-15-2009, 11:07 AM
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Quote:
Originally Posted by Rez View Post
You maybe new to BMW, their speedo has 2-3% inaccuracy, what you saw was an inflated speed based on BMW speedo error.
I thought it is more like 6-7% error.
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  #16  
Old 11-15-2009, 12:13 PM
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Originally Posted by LeMansX5 View Post
I thought it is more like 6-7% error.
I doubt it is that bad, I think up to 5% is acceptable error and they usually have their speedo on the fast side. I tested my M3 and it was 2-3%
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  #17  
Old 11-15-2009, 01:47 PM
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Unless you go full bore on a real race track, you aren't getting a real result And if BMW is telling you it stops at 155...it does. There would be no sense in BSing that (it aint the 1970s insurance days)
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  #18  
Old 11-15-2009, 03:22 PM
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  #19  
Old 11-15-2009, 03:33 PM
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165mph on public roads, very smart.....
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  #20  
Old 11-16-2009, 11:03 AM
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