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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G80 M3 Sedan Forum (2019+) S58 Engine: Specs and First Look!

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      06-14-2019, 05:10 PM   #45
RPM1123
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Originally Posted by xlover View Post
I believe if you look at the graphics as well as specs sheets for the x3m peak power runs as plateau right to the redline
Yup. It tapers off at the same point as the S55.

It's interesting that peak torque comes in so much later though. The S55 made 406lb-ft at 1850. The S58 is only making 320lb-ft at that RPM. I wonder if they'll compensate for this with more aggressive transmission programming?
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      06-14-2019, 06:37 PM   #46
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Drove the X3M with it in it the other day...this engine is gonna be a beast!! Plus! No more "active sound" they're pulling a play from Porsche and pipe in actual exhaust sound via a flap system like the 911 does (according to the BMW M team guys).
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Why don't you believe him? I drove the X3M on Thursday last week, June 6. Also drove the M5 Competition and the M2 Competition, back-to-back.
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      06-14-2019, 07:23 PM   #47
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Originally Posted by RPM1123 View Post
Yup. It tapers off at the same point as the S55.

It's interesting that peak torque comes in so much later though. The S55 made 406lb-ft at 1850. The S58 is only making 320lb-ft at that RPM. I wonder if they'll compensate for this with more aggressive transmission programming?
What’s that weird little peak at 6250? We need to see a real dyno.
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      06-14-2019, 09:14 PM   #48
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What’s that weird little peak at 6250? We need to see a real dyno.
I wonder if saying 5600-7200rpm would be confusing for people? It also might let them lower the power after 6250rpm in the future if there are exhaust changes or whatever for regulations but they'd still be able to keep the headline numbers the same.
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