M3 acceleration times!
#1
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Hi members!
I am searching for M3 acceleration times ... I found something like 15.7 from 0 to 200 kmh (0-125 mph), by Autobild, but it is clearly impossible : the 6MT M3 has very long gears, so it cannot do 15.7s .
Otherwise the SMG3 M3 would do the same time of the M5 (due to shorter gears than the MT), that is obviously impossible .
(the M5 does 14.5-15 seconds)
So, does someone have these times from some road test ?
Thanks!
I am searching for M3 acceleration times ... I found something like 15.7 from 0 to 200 kmh (0-125 mph), by Autobild, but it is clearly impossible : the 6MT M3 has very long gears, so it cannot do 15.7s .
Otherwise the SMG3 M3 would do the same time of the M5 (due to shorter gears than the MT), that is obviously impossible .
(the M5 does 14.5-15 seconds)
So, does someone have these times from some road test ?
Thanks!
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Originally Posted by AlexFW' post='473636' date='Sep 24 2007, 07:06 PM
Hi members!
I am searching for M3 acceleration times ... I found something like 15.7 from 0 to 200 kmh (0-125 mph), by Autobild, but it is clearly impossible : the 6MT M3 has very long gears, so it cannot do 15.7s .
Otherwise the SMG3 M3 would do the same time of the M5 (due to shorter gears than the MT), that is obviously impossible .
(the M5 does 14.5-15 seconds)
So, does someone have these times from some road test ?
Thanks!
I am searching for M3 acceleration times ... I found something like 15.7 from 0 to 200 kmh (0-125 mph), by Autobild, but it is clearly impossible : the 6MT M3 has very long gears, so it cannot do 15.7s .
Otherwise the SMG3 M3 would do the same time of the M5 (due to shorter gears than the MT), that is obviously impossible .
(the M5 does 14.5-15 seconds)
So, does someone have these times from some road test ?
Thanks!
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Anyhow, it _is_ faster than a 545i...
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"In our limited test, the M3 charged to 60 miles an hour in 4.4 seconds. That?s 0.4 second quicker than the last M3 we tested, despite a slippery road surface and hurried test schedule. Expect the ?08 to be even quicker when we get a chance to conduct a full road test." Car & Driver Sep 2007
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Originally Posted by hythe' post='473666' date='Sep 24 2007, 03:45 PM
I'm not quite clear on why this all looks so impossible, Alex... The power/weight ratio of the M3 isn't THAT far off the M5. Of course, a 545i would whup them all, but that's another matter... ![Smile](https://5series.net/forums/images/smilies/imported/smile.gif)
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Alex they seem to be right. This is Sport Auto. Sorry
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#7
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Originally Posted by sapkan' post='473903' date='Sep 25 2007, 08:56 AM
Alex they seem to be right. This is Sport Auto. Sorry ![Frown](https://5series.net/forums/images/smilies/imported/sad.gif)
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Originally Posted by tachyon' post='473694' date='Sep 24 2007, 10:47 PM
"In our limited test, the M3 charged to 60 miles an hour in 4.4 seconds. That?s 0.4 second quicker than the last M3 we tested, despite a slippery road surface and hurried test schedule. Expect the ?08 to be even quicker when we get a chance to conduct a full road test." Car & Driver Sep 2007
With a manual transmission and a good road surface the 0-100 is quite simple .
Anyway, the 0-100 is not so significant: too elements affect the result, like the tire, temperature, humidity, type of transmission, etc. ...
From 100 to 200, instead, no tricks .
So, the M3 would do 11s from 100 to 200 .
Okay, I would like to trust those magazines...
#9
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Originally Posted by ipp' post='473673' date='Sep 24 2007, 09:56 PM
Anyhow, it _is_ faster than a 545i... ![Wink](https://5series.net/forums/images/smilies/imported/wink.gif)
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We said the M3 goes from 100 to 200 in 11s .
Ok, look at this clip :
100-200 in less than 12s :-D
That man starts very slowly, without acceleration assist and with the DSC on .
So a 650i with a new (custom) exhaust would be fast as the M3!
Now the best part :
1. a 545i weighs like that 650i .
2. I am planning to get the same final drive ratio as that 650i, so equal gears .
3. The same gearbox .
4. But I will have more HP than that 650i (soon a dynojet to demonstrate it)
----
M3 gears and speeds :
@8500 rpm :
(kmh) 67.0, 114.7, 171.8, 228.1, 271.8, 311.7
AlexFW's 545i with 3.23 ratio @6500 rpm :
(kmh) 58.9, 99.6, 151.1, 200.6, 239.1, 274.2
----
Obviously, I will be fast as the M3 due to its looong gears (it has a 230 kmh 4th gear while I will have 200-205) .
And the "SMG3" M3, with 7 gears, will be faster than me .
This in theory .
Practically, on the road the M3 has 25% less torque than a 550i/650i (400 Nm vs 500) and a manual gearbox (so the slowest part in the M3 is the driver) .
I am at 18.5s now and my target is 16s with new FDR and catalysts/headers .
Finally, dear ipp, in the everyday use my 545i is already faster than the M3, so keep your irony for your 530d!
Will see!
#10
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Originally Posted by hythe' post='473666' date='Sep 24 2007, 09:45 PM
Of course, a 545i would whup them all, but that's another matter... ![Smile](https://5series.net/forums/images/smilies/imported/smile.gif)
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Don't be so negative about 545i, hythe :
a) you have a 545i that is faster than the M5 .
b) on bends/mountain road my 545i is faster than yours (and you know why - signature)