Video: M5 topspeed run on German Autobahn - Page 2 - BMW M5 Forum and M6 Forums
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post #11 of 67 Old 1st November 2009, 04:54 AM
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Very impressive!!
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post #12 of 67 Old 1st November 2009, 04:56 AM
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Quote:
Originally Posted by moonbeamer View Post
wow now that is fast! in all of 30 months I have not had my e60 past 200km/hour and after reading about some m5 accidents recently I don't think I will ever try!
The break in periods from the manual say: First 1200 miles don't exceed 105 MPH, next 1800 miles don't exceed 135 MPH.

You are babying it still?
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post #13 of 67 Old 1st November 2009, 08:34 AM Thread Starter
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Quote:
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Nice, where tire size are you running, just wondering if the diff made up for the difference and if you re-calibrated the speedometer.
255/30/21 and 295/25/21. GPS speed 200 kmh = 204 kmh on speedo, so it's very accurate. At an indicated 335 kmn/h the engine was at 8,000 rpm. Still 400rpm to go.
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post #14 of 67 Old 1st November 2009, 08:54 AM
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Goddamn thats fast

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post #15 of 67 Old 1st November 2009, 09:05 AM
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Originally Posted by M-bitious View Post
255/30/21 and 295/25/21. GPS speed 200 kmh = 204 kmh on speedo, so it's very accurate. At an indicated 335 kmn/h the engine was at 8,000 rpm. Still 400rpm to go.
Ok so you take 3.91 * 0.83 for 7th gear so a ratio of 3.2453. Divide 8000RPM by this and you get 2465 wheel rpm tire circumference is about 7 feet. So roughly 196MPH without tire expansion if you say 0.02% expansion per MPH, then it is roughly 4% more or about 204MPH. 335km/h is about 208mph, about a 2% difference just like 200 vs 204, not bad... You clearly made it over 200mph.
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post #16 of 67 Old 1st November 2009, 11:08 AM
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I like how the fuel range went from 68km to 60km in 45 sec! lool nice run M-bitious

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post #17 of 67 Old 1st November 2009, 02:05 PM
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Amazing how quickly that fuel goes down

Here are mine from the Autobahn. 203mph and 206mph not very clear though. Wasn;t going to hold the camera at those speeds so had it taped to the dashboard and zoomed in on HUD



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post #18 of 67 Old 1st November 2009, 04:18 PM
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Woho, great video! Front page material!

Next time you should get s PerformanceBox to get the GPS speed conformed. Again,, great video!

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They've been replaced with pipes. These are the ones that cause power loss. You only need them during warm up anyway. I am not sure how the throttlebodies were modified, as Manhart was very secretive about it. He seems to have developed it for a German tuning company. It produces around 5-6 bhp.
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post #19 of 67 Old 1st November 2009, 04:24 PM
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Now that is impressive.

Quote:
Originally Posted by moonbeamer View Post
wow now that is fast! in all of 30 months I have not had my e60 past 200km/hour and after reading about some m5 accidents recently I don't think I will ever try!
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post #20 of 67 Old 1st November 2009, 04:25 PM
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Great video, the M5 is very controlable at higher speeds especially at the autobahn. You easily could go 200-250 kph on the autobahn for a long period

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