When a latest quote from Dr. Mike Reichelt, head of BMW’s Neue Klasse lineup, hit the web, it kicked off a contemporary wave of hypothesis. Reichelt hinted to TopGear that the following BMW M3 would supply “a brand new kind of six-cylinder engine,” main another magazines to prematurely counsel that BMW may lastly introduce a V6 beneath the hood of its iconic sports activities sedan. As intriguing as that sounds, the truth is a little more grounded.
“We’re going to make it the perfect M automobile ever dynamically, Dr. Reichelt mentioned. “We’re additionally going to supply it with a brand new kind of six-cylinder engine, as a result of we perceive it might be early for some dedicated M followers to make the change [to electric].”
That imprecise wording rapidly become sensational headlines speculating a V6-powered M3. Nonetheless, traditionally talking, BMW has persistently most popular inline-six engines as a consequence of their inherent smoothness, balanced harmonics, and refinement. The truth is, BMW has even internally examined V6 engines earlier than, solely to reject them exactly for failing to fulfill the model’s stringent noise, vibration, and harshness (NVH) requirements.
No V6 in Sight, Up to date S58 As a substitute
Our sources clearly state there isn’t any V6 engine deliberate for the upcoming M3 (G84). As a substitute, what fanatics can count on is an evolution—not a revolution—of the present S58 inline-six that powers right this moment’s M3, M4, and their respective CS variants. Quite than reinventing the wheel, BMW M engineers are allegedly enhancing the confirmed S58 3.0-liter twin-turbocharged inline-six. We truly wrote about this a number of months in the past.
Crucially, the up to date model of this acclaimed engine will almost definitely incorporate mild-hybrid know-how, just like latest upgrades launched in BMW’s B58 and S68 powerplants.
This new mild-hybrid setup leverages a 48-volt starter-generator, including immediate torque to cut back turbo lag, enhance throttle response, and improve effectivity. These enhancements not solely bolster efficiency however are important to fulfill upcoming stringent Euro 7 emissions rules.
Energy Output Expectations
Based on our insiders, the refreshed S58 engine will almost definitely begin round 523 horsepower, marking a transparent energy bump from right this moment’s base M3 Competitors, at the moment rated at 503 horsepower. Stronger variations, like potential CS or CSL trims, will undoubtedly surpass the present M3 CS’s already formidable 543 horsepower (550 PS). Briefly, efficiency fanatics have loads to sit up for, V6 or not.
Count on BMW to provide us some particulars on this next-generation S58 engine within the coming 12 months, roughly two years forward of the G84 M3’s anticipated launch.
[Source: TopGear]
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