07-16-2013, 01:31 PM | #45 | |
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~160 kg (~350 lb) less than the E92 M3, of course on an apples to apples basis, simply is not going to happen. Want to place any friendly wagers on that?
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07-16-2013, 01:37 PM | #46 | |
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07-16-2013, 01:54 PM | #47 |
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Why compare to the E90 M3? It will share close to nothing with the F80. Forget that and focus on the F30 335i. It is much more similar in size and engine configuration and will share some parts. This is the car you should start out with and look at what can be done to reduce weight. The F30's chassi needs to be cheap enough to be used with profit for the entry level 3. The F80 has no such restriction. It will start at a price point way above the 335i. There is a LOT of room to add cost to the F80 chassi compared to the F30.
Way too much negative thinking in terms of weight. It's understandable though since BMW has been on a pretty constant disappointment streak lately. Just another reason why they will be willing to spend to make the F80 brilliant. |
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07-16-2013, 01:55 PM | #48 |
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Also in response to ^.
Directly from BMW documentation: Unladen weight EU in kg: 335i: 1615 kg (3560 lb) 435i: 1600 kg (3527 lb) Both with 6 cylinder and automatic/DCT transmission The only way I can see that the 4 series is lighter than the outgoing 3 series is comparing 325i, 6 cylinder, MT vs. 428i, 4 cylinder, MT. The numbers in those cases are: 1505 kg vs. 1450 kg. But that isn't really apples to apples. It is because those are the most base models possible but it isn't because we want to know if the vehicle itself (independent of the engine) is providing weight gains or weight loss. The answer is clearly GAINS.
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07-16-2013, 01:57 PM | #49 |
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Because the cars are very, very similar in size, materials, constructions, electronics, really everything... Just because the parts are all new, doesn't mean they are essentially different.
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07-16-2013, 02:02 PM | #50 | |
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As a reference the F10 M5 is within 20 lbs of the 550i while it's almost 300 lbs between it and the E60 M5. It seems obvious that the platform plays a more significant role than it's predecessor. Therefore I think it's better to forget about the E90 as a comparison for weight and instead look at the F30 335i and analyze what need to be added for strength, power, width, traction/LSD etc and what can be reduced with lightweight materials to get a better idea of what we can reasonably expect when M makes weight reduction a focus and it's main design objective. How good are they? We'll see. Last edited by solstice; 07-16-2013 at 02:43 PM.. |
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07-17-2013, 04:43 PM | #51 | |
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And yes, we all know that right now at BMW and at BMW M, COST is KING. I've mentioned and argued it here (perhaps in excess...) but this is the primary reason for the major change in M engine architecture. Cheers.
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