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- Whiskey345ci

So as far as I can tell, an official lap time around the Ring has not been recorded yet. But i'm predicting that the production M4 will break into the 7:30s, at least. This is a pretty big deal considering that the M4 will be the fastest production M car ever (on a road course). My hypothesis is based on the pattern that M division has made with their previous M3 coupe platforms.
-The E46 M3 has a record of 8:22, but with its 17hp increase and weight savings of over 300lbs the E46 M3 CSL recorded a 7:50.
-The E92 M3 has a record of 8:05, and with the GTS being 300lbs less and having over 30 more hp it has a record of 7:48, that time being the fastest production M car record on the Ring.
-The BMW M4 is over 100lbs lighter than the GTS and also will have over 100ftlbs more torque.
The new 3.0-liter inline-six makes 425 turbocharged horsepower from 5,500 rpm all the way up to 7,300 rpm – just 300 rpm before the redline is reached. That's five more horsepower than the V8, but more importantly, the 1800-rpm powerband is very broad. Torque from the turbo six is even more impressive: peak torque of 406 pound-feet starts at 1850 rpm and doesn't start falling off until 5,500 rpm, right when the engine starts to make peak horsepower. That compares very favorably to the V8's oft-bemoaned max torque of just 295 lb-ft"
If the new M4 breaks into the 7:30s range it will be among cars like the Zonda F, Koenigsegg CCX & CCR, 911 GT2 etc. But then again the E46 CSL and Lamborghini Marcielago share the same lap time so its not surprise that M division cars are in the same neighborhood as supercars when it comes to the road course.
The question is not if but, how much faster the M4 will be in oppose to the E92 GTS? What will the new F82 M3 CSL, GTS or whatever the new enhanced model maybe called run?
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