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      08-02-2013, 07:49 AM   #1
kgaler
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ITB?

Could the new M4 engine have ITB and if so, what is the advantage?
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      08-02-2013, 08:35 AM   #2
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Is it technically feadible? Sure. Is it likely given where BMW went with the S63Tu in the M5/M6? No, not in my opinion.

The advantage is sharper throttle response than a single throttle body. But Valvetronic essentially makes it a wash. I am not sure how the two compare in the areas of weight, cost, and reliability. I imagine there are trade-offs both ways. But since the N55 already has Valvetronic, that is the likely route. The only possible stumbling block would be making it work at nearly 8k RPM. But I think they will have figured that out.
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      08-02-2013, 04:38 PM   #3
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Originally Posted by kgaler View Post
Could the new M4 engine have ITB and if so, what is the advantage?
Or for that matter, could it have the F4G?
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      08-03-2013, 07:36 AM   #4
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F4G? What's that?
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      08-03-2013, 10:04 AM   #5
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Quote:
Originally Posted by kgaler
Could the new M4 engine have ITB and if so, what is the advantage?
Maybe I'm a novice at this, but what is ITB? Individual Throttle Bodies?
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      08-03-2013, 10:39 AM   #6
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F4G? What's that?
Attempted humor. But it used to be this:
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      08-03-2013, 10:52 AM   #7
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Quote:
Originally Posted by fuddman View Post
Attempted humor. But it used to be this:
Those side vents are really ugly!
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