Quote:
Originally Posted by BMW M3 CRT
Can not say this for Mercedes, Audi, VW and many other (form me VW and Audi makes turbo engines since a long time ago!) but for the BMW M-GmbH the answer is simple and clear ... "driveability" is the main credo of the M-GmbH since the times of the legendary first E30M3 ... "driveability" is the reason what makes all previous M3s faster than even competitors with much more hp.
And for "driveability" an linear power output is much more important than high low-end-torque ... or better high low-end-torque reduces the drivability of cars on track, simple because its an great problem to bring this torque on track without wheel spin.
So until now turbo-engines where an NoGo for the M-GmbH and high-reving N/A-engines were the perfect way to solve this problem ... an small displacement turbo-engine is perfect for an regular streetcar because you can drive it confortable without much gearchanging, but for an real sportscar an HDZ-N/A-Engine with an fast DCT-Gearbox is the perfekt solution.
But the times has changed, and also for BMW M-GmbH cost savings and Ebit/Debit are the key factor in all development and therefor also an not soal and even a little bit heavier S55 engine is the way to go, because it share probably many parts with the future BMW AG inline 6 engine family and could be produce cheaply the regular BMW engine plant. The unique S65 is made of many unique and costly special parts and must be produce in the special "Sondermotorenbau" in Munich, so that its totally clear that in the world of costs such an engine has no chance to get the okay from the shareholders.
So the M-GmbH make the best of the situation, and refines all other parts of the new M3/M4 that are possible under the cost conditions, so that they can live with the cheaper but less ideal engine solution.
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I am gonna stoop the point of saying that you are starting to make stuff up or are blindly infatuated with an outdated motor.
Have you ever seen any of the following on a track?
Mclaren MP-12C?
911 turbo s?
Ferrari F40?
Nissan GTR?
All turbo cars with turbo engines that would blow away nearly anything NA... in fact the only credible NA cars around the Ring that are left are the Vettes, Vipers and the Lexus LFA. Two of those have gigantic motors that are unfit for an M3 and the latter is a $375K supercar.