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      03-15-2013, 03:18 AM   #8
Uli_HH's Avatar
Drives: AW M3 E90)/ 523i Touring
Join Date: Nov 2005
Location: Hamburg Germany

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Originally Posted by BigMacSmallFries View Post
Yea, they present the article as fact, but I hear you. I'd love a triple turbo straight six that can spin to 8000rpm.
It is almost impossible, that an I6 based on the N55 can attain an redline of 8.000rpm ... the only BMW turbo engine which would be able to do this, is an S63Tü based V6 - because of his square cylinder design.
This engine, an 3.2ltr.V6 BiTurbo has run into an endurance test on the engine test bench with this 8.000rpm ... which has probably led to the rumors of a redline of 8.000rpm for the new M3/M4 engine
But the probably next M3/M4 engine, an 3.0ltr.I6 TriTurbo will almost certainly have a redline of ~ 7.000rpm.

Greets Uli_HH
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