10-16-2021, 03:47 PM | #1 |
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Featured on BIMMERPOST.com There were several m2/m2c/m2cs/m2csr on summit point main circuit with BMWNCC. We took advantage on the scale for club racing and actually compared the weight difference between m2s. No info on m2 and m2csr. Big surprise is m2cs is only 80lbs lighter than m2c. Both stock manual and about half tank gas. 3587lbs: DCT M2C (no stock seats, Half cage, bucket seats, Apex ec-7 wheels, half tank gas) 3563lbs: Manual M2C (everything stock, half tank gas) 3479lbs: Manual M2CS (everything stock, half tank gas, no picture) 2845lbs: Manual 135i (no interior, no stock seats, bucket seats, half cage, half tank gas) |
10-16-2021, 08:50 PM | #4 |
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10-17-2021, 04:44 AM | #5 |
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I assume the stock M2C is a slicktop?
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10-17-2021, 04:46 AM | #6 |
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I assume the stock M2C is a slicktop?
Also, it's highly likely the CS was standard 2NH brakes like the M2C as only 134 CS' were optioned with 2NK CCBs (for US market).
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10-17-2021, 10:43 AM | #7 |
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Here is my stock M2C, manual, no sunroof, 788, executive package, full tank of gas.
3559lbs I only compared the F31 awd wagon on the same scales, and it was heavy, but still very well balanced.
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10-17-2021, 02:12 PM | #8 |
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None of these numbers mean anything unless you have all 3 cars there, bone stock, and all have a completely full tank of gas. Every gallon of gas is 6 lbs. Different scales, different days, etc.
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10-18-2021, 06:48 PM | #9 | |
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All measurements were done inbetween club racing session on same day. Gas weight should relative the same since we all top of tank in the morning and run the same track with same track time(you could argue one never lift throttle). The manual m2c and m2cs are all bone stock. The reason I share is pretty rare to have a lot of m2s meet at same time with a scale. |
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10-18-2021, 06:55 PM | #10 | |
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So i guess thats from the CF hood and removal of a few of those basic interior components.
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10-18-2021, 07:01 PM | #11 | ||
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10-18-2021, 07:56 PM | #12 | |
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10-18-2021, 09:26 PM | #14 |
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Weight difference between M2s
788 = 101.8lbs
763 = 85.06lbs So wheels are 16.7lbs difference. Interestingly enough Car & Driver reported "A carbon-fiber hood and roof help the CS weigh 83 pounds less than the M2 Competition." So the measurements seem pretty spot on. Roof and bonnet take weight from higher points of the car and the supposedly added weight from active suspension moves it lower. All academic really. The car feels pretty light to drive. in 10 years time as cars get heavier and heavier it will be classified as light weight anyway. |
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10-18-2021, 09:31 PM | #15 |
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The reduction in overall weight of the car will be minimal - but it's the unsprung weight reduction that matters and will actually be felt. I wish we'd have gotten the "old" blue caliper smaller brakes as standard on the M2c, as they are a lot lighter (again unsprung weight) than the massive 6/4-pot Brembos on the M2c, while being plenty adequate for a street car. If I were tracking the car, then I'd perhaps opt for the big boys. But given a choice, and for my driving, I'd have gone for the "old" setup.
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10-19-2021, 05:42 AM | #16 | |
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10-19-2021, 07:26 AM | #17 | |
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10-19-2021, 02:11 PM | #19 |
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I lost 20lbs. The car is the same lmao
My M2C is now faster.
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10-19-2021, 02:40 PM | #20 |
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10-19-2021, 03:11 PM | #21 | ||
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10-20-2021, 01:43 PM | #22 | |
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I guess this is where the AP kit comes in. |
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