BMW i5 and 5-Series Forum

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      07-08-2008, 11:38 AM   #23
gbelton
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On The Topic of Efficiency...

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Originally Posted by Bimmer Loyalist View Post
Umm...I guess this would be true...if our engines could rev out to 20,000 RPM...
I see you fell short of understanding my point or maybe I did not articulate it clearly enough.

Let me try again...

If BMW or any manufacture can make efficiencies (Engines that are efficient with high performance attributes e.g. 500HP or better) such as the ones made in Motosport (Now we are talking M's), then I suppose they are smart enough to make a smaller engine, e.g. 2.8 litre V8 as used in F1. I suppose they can... No? With all the Revving attributes aside, the point is they can make an engine with some acceptible and affordable level of efficiency.
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      07-08-2008, 11:41 AM   #24
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Quote:
Originally Posted by BayAreaE92 View Post


BayAreaE92 for Naturally Aspirated ///M Motors!


Does this mean you are for NA engines that revv high or a NA that does not revv high?
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      07-08-2008, 11:58 AM   #25
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nice...
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      07-08-2008, 01:22 PM   #26
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Quote:
Originally Posted by gbelton View Post
I see you fell short of understanding my point or maybe I did not articulate it clearly enough.

Let me try again...

If BMW or any manufacture can make efficiencies (Engines that are efficient with high performance attributes e.g. 500HP or better) such as the ones made in Motosport (Now we are talking M's), then I suppose they are smart enough to make a smaller engine, e.g. 2.8 litre V8 as used in F1. I suppose they can... No? With all the Revving attributes aside, the point is they can make an engine with some acceptible and affordable level of efficiency.
Well I'm pretty sure I get what you're saying, but my point is that in F1 the engines are capable of such output because they're not carrying the burden of being reliable, long-lasting engines. They can get so much out of a sub-3000cc engine because they're able to get those things to rev out to ridiculous numbers, and they have a host of cutting edge variable this-and-that.

I'm saying that it's simply not as efficient to have a N/A engine producing the same numbers as an FI'd one. The higher it has to rev, the more gas it has to consume, for the mostpart.
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      07-08-2008, 03:20 PM   #27
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let's hope for the best!!!
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      07-08-2008, 03:38 PM   #28
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I still have hard time believing this... I guess I will believe it when a TT M5 debuts...

Jason
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      07-08-2008, 04:16 PM   #29
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Quote:
Originally Posted by BLITZ View Post
Good news, end of an era. zomg i luff tarbos they are ftw
fixed
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      07-08-2008, 04:26 PM   #30
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Win.^
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      07-09-2008, 03:44 PM   #31
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M's and torque / +100
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      07-09-2008, 05:07 PM   #32
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You guys don't like high revving engines?
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      07-09-2008, 08:55 PM   #33
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high revving NA > high torque TT V8 at the track.... torque doesnt mean squat at the track, unless of course you drive your car at 1500rpm

i'm not believing it till i see it either.

Last edited by herbz; 07-10-2008 at 11:31 PM..
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      07-09-2008, 08:58 PM   #34
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Quote:
Originally Posted by southlight View Post
The F01 7 series will have a V12 turbo engine as the 760i is still to come (announcement anytime this or early next year).


Best regards, south

Yes I read on M5board V12 TT, 540~ hp....

This means the M5 / M6 will have more.

I don't think it is going to be a turbo....can't see it happening....


BTW, the new SL65 Black will be introduced in the German Grand Prix on July 18th.
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      07-10-2008, 06:20 AM   #35
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Quote:
Originally Posted by Bimmer Loyalist View Post
Umm...I guess this would be true...if our engines could rev out to 20,000 RPM...
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      07-10-2008, 02:10 PM   #36
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That's bullshit. I hope honda don't ruin the new s2k in 2010 with the same crap.
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      07-12-2008, 12:37 PM   #37
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get used to it boys......
the old saying "there's no replacement for displacement"....is a thing of the past......forced induction...smaller displacement will be the norm!
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      07-13-2008, 02:06 PM   #38
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Quote:
Originally Posted by shiggy View Post
get used to it boys......
the old saying "there's no replacement for displacement"....is a thing of the past......forced induction...smaller displacement will be the norm!
is that why mercedes went from a 5.4L Supercharged V8 to a 6.2L NA V8...

You can't make such a general assumption, its just igornant.

I really hope BMW doesnt bastardize the M brand by using FI. Also, unlike mercedes, as far as i know BMW M has never taken an engine from an existing BMW and tuned it, they have always created their own.
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      07-13-2008, 04:43 PM   #39
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The main reason for the possibility of a FI move for future M cars is the drive down of CO2 levels that BMW are very active in and that includes all models.

For a start look at the difference in economy and CO2 figures between the RS6 and M5, even forgetting the power difference you have to admit that BMW through all of their efforts can't make their V10 produce any other power without producing even worse economy and CO2 levels.

Unless they dramatically increase the capacity I can't see how BMW can continue with N/A engines on the bigger cars at the very least.
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