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      03-10-2014, 12:36 PM   #97
PvsNP
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Drives: 2011 M3/2014 M5
Join Date: Mar 2014
Location: Manhattan

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Quote:
Originally Posted by KennyPowers View Post
http://www.caranddriver.com/reviews/...pe-test-review

curb weight for the 1M is 3296lbs or 1495kg per BMW, and weighed in at 3340-3360 in multiple tests.

according to BMW, the m4 weighs ~3300 lbs, with the curb weight at 1495 kg, as was the 1m. they have the exact same curb weight per BMW.

the m3 in comparison, is listed at 1520 kg which is 3351 lbs.

3351 - 3296 = 55 lbs

no idea where you are getting your numbers from. I also don't know where I said it would get better mileage. I said it would get slightly worse mileage than the 1m, and notably better than the current m3.
Two things :

- Lets go with BMW numbers. You are taking a magazine number in one car and bmw in other. Not apples to apples. According to BMW, 1M weighs 3296 lbs.

- I get my M3 number from the sticky thread in this forum It clearly states 3583 lbs. Where are you getting 3350 lbs from? That would be more than 350 lbs lighter than the outgoing M3!

3583 - 3296 = 287 pounds. Thats an extremely big difference. Just that difference alone can contribute so much in the mpg calculations in addition to the 40% more power.
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