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  #21  
Old 12-19-2013, 03:00 PM
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Quote:
Originally Posted by TiAgX5 View Post
You have a post '03 sport pkg, BMW states 143 mph.

The I6 E53s are limited by aero-drag and top out around 125.
I got my 04 i6 to 135
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  #22  
Old 12-19-2013, 03:13 PM
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Originally Posted by 04e53x5 View Post
I got my 04 i6 to 135
And with the 4% error programmed into the speedo calibration, that would be around 130.
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  #23  
Old 12-19-2013, 03:20 PM
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i plan on getting the Dinan trans software for my 3.0
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  #24  
Old 12-19-2013, 03:20 PM
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Originally Posted by TiAgX5 View Post
And with the 4% error programmed into the speedo calibration, that would be around 130.
Thats what the garmin told me
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  #25  
Old 12-19-2013, 03:21 PM
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Originally Posted by BIMMER_BLUEBLOOD View Post
i plan on getting the Dinan trans software for my 3.0
I was thinking about that 2.
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  #26  
Old 12-19-2013, 03:29 PM
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Quote:
Originally Posted by 04e53x5 View Post
Thats what the garmin told me
My bad. Almost everyone posts speedo results.
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  #27  
Old 12-19-2013, 03:37 PM
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Originally Posted by J.Belknap View Post
I'd wager a stock 4.6 is limited by air around 152 mph, and the S3 is limited by air around 168 mph.
You're very close. According to Car and Driver road test in 2002 the 4.6is top speed is 144MPH limited by air drag.
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  #28  
Old 12-19-2013, 03:46 PM
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Originally Posted by TiAgX5 View Post
My bad. Almost everyone posts speedo results.
Yeah without realizing what u said about the speedo being off
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  #29  
Old 12-19-2013, 03:53 PM
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Originally Posted by bcredliner View Post
You're very close. According to Car and Driver road test in 2002 the 4.6is top speed is 144MPH limited by air drag.
I stand by my fuzzy math. Guestimation .pdf is attached, for what it's worth.

edit: Kinda bored, I'm caught up on all my work at the office and go on vacation soon! I might have to try that I-95 thing on my way down to FL. Wife would not condone, but we'd make darn good time. I'll just wait until she falls asleep.
Attached Images
File Type: pdf 46topspeed.pdf (126.7 KB, 379 views)
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Last edited by J.Belknap; 12-19-2013 at 04:04 PM.
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  #30  
Old 12-19-2013, 03:54 PM
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Saw the Car and driver test from '02. I think they got an abused 4.6is for their test.

From Motor Trend.....

"Top speed is electronically limited to 150 mph with the standard 20-in. rolling stock, 143-mph with the optional 19-in. wheel/tire combo."

Read more: 2003 BMW X5 4.6is vs. 2003 Mercedes ML55 AMG - Motor Trend

Saw one mag test where the '02 4.6is ran 153mph with V-Box verification.
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