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      04-23-2013, 02:25 AM   #15
Andy0323
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Drives: F30 328i
Join Date: Dec 2012
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Quote:
Originally Posted by BigMacSmallFries View Post
Just wanted to share some info.

The next gen F80 M3 will have a triple turbo setup with an I6 configuration. The triple turbo will be a combination of conventional turbos and introduce the world's first electrical turbos in a car as well.

What we don't know is whether it will be one small electric turbo combined with a conventional twin turbo setup, or if it's going to be a twin electrical turbo setup with one large conventional turbocharger.

This is significant because it will be the first car to completely eliminate turbo lag from turbo charged engines. The electric turbos spool up instantaneously just above idling rpms providing immediate torque. It other words, we could possibly see maximum torque developed around 1000rpm. This would give the illusion of driving a far more powerful car while puttering around town at low rpms. The torque curve from 800-2000rpm could very well be putting out as much power as a conventional naturally aspirated engine in the vicinity of 600hp. This would give the the feeling of driving a much more powerful engine at very low RPMs which is amazing in traffic.

If we have this electric turbo with a conventional twin turbo setup, we could see remapping easily boosting the 440-450hp the F80 M3 will have to the 500-530hp range.

The S65 V8 is amazing, but once we're given the exact details, I don't think M3 drivers will hesitate jumping to the next car. Minus the exhaust note, the new engine will vastly outperform our current M3s.

Don't ask where I got the information from, that I can't disclose.

Enjoy!
I wouldn't be surprised if it was one small electric turbo paired with a slightly larger exhaust driven turbo. From the engine bay pics (although not completely confirmed), there are 2 inlet ducts to the W2AIC. I am also willing to bet the conventional turbo will be moderately sized to keep the torque curve flat as possible (less lag and peakiness, or so to speak). Boost up, higher compression, more aggressive cams, etc. etc. will probably be the driving factors for the higher power output (a la n63 vs s63).

I've driven the s65 e90 m3, and the engine is amazing. With the flat torque curve, it pulls across the board, and with its linear response and predictable behavior, it's a blast to drive. I am hoping the new engine will keep its characteristics very similar, if not the same, to the s65.
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