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      11-02-2012, 06:55 PM   #15
Major General
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Drives: M2 (Mineral Grey 6MT)
Join Date: Jun 2011
Location: Belgium

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Originally Posted by Dackelone View Post
It's not broken. I think BMW actually sets the speed limiter to 261 kph (for all M cars). And since we know the speedo shows plus 5% that would account for the 274 kph that most 1M's say they have seen/driven.
October 2010, when some journalists had driven the 1M test mule: "BMW claims that this 3308-pound machine will sprint from 0 to 62 mph in 4.3 seconds. Top speed will be governed to 155 mph, but there will be an option to raise Vmax to 168 mph, as with other M cars." Later, BMW seems to have muzzled 1M performance information in official figures releases (no trespassing on the M3 territory: "BMW engineers and execs have been quoted several times saying things like «it won't step on the M3's toes»") (source: Back in those days, they also indicated that a CF roof would be optional - too bad it didn't make it to the final version.

Here's what Belgian forum fellow M3Power79 registered with his stock 1M:
Name:  1M_Acceleration.jpg
Views: 9135
Size:  44.3 KB
“For ’tis the mind that makes the body rich” (W. Shakespeare, The Taming of the Shrew, Act 4, Scene 3)