10-31-2022, 06:24 AM | #1 |
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2023 BMW i4 M50 Runs Mid 11 Second Quarter Mile
Featured on BIMMERPOST.com Car is very consistent. It always traps at 120mph like a computer. Stock tire pressures settings~40PSI 19" Pzero summer tires seem to have much less wheel spin issues compared to the Goodyear Eagle All Season tires. 55F ambient. With no benefits from a low DA like an ICE vehicle, warmer temps would actually benefit an EV with less aerodynamic drag and better traction. Non prepped surface results: 3.43 sec 0-60 MPH 3.25 second 0-60 MPH with roll out 11.53 @ 120.5 mph quarter mile. Even though it has summer tires, top speed is still capped at 130MPH I think the reason we all thought the M50 would run 125mph traps is because there seems to be a 5mph speedo error at those speeds. Even though a Model 3 performance will do 160mph, look how much stronger the BMW is from 120-130mph. Not bad for a bone stock 5000lb sedan that gets almost 100 MPGe. The car is averaging about .80g acceleration from 6mph-50mph. Peaking at .90. Can't wait to see what a quad motor M-Version will do. Have to emphasize, this is an M50, so more equivalent in the marketing lineup of a M340, etc. On the other hand, you can go up against cars with quicker on-paper stats for 1/4 mile, etc...because the instant punch of the electric motors gives you a huge advantage in any in town encounters.
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2019 i3s Terra, 2008 Black 335i Sedan. 11.11@ 129.47 mph 2008 Monaco Blue JB3 2.0 335i Coupe. 11.33 @ 132.77 mph, 60-130mph: 6.95 seconds 2023 i4 M50 11.48 @ 121.56mph, 3.43 0-60 (dragy) Last edited by hotrod182; 11-20-2022 at 10:49 AM.. Reason: Additional picture |
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10-31-2022, 07:03 AM | #2 |
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There is definitely a break in procedure, lol. It's outlined in the manual, but great times!
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10-31-2022, 09:58 AM | #3 |
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Yes there is a "break-in procedure" listed in the manual - it basically says drive restrained for the first 300 miles and don't use launch control :-). But I'm not sure how much it affects an electric vehicle. Anyway, thanks for posting - these are impressive stats!
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10-31-2022, 10:39 AM | #4 | |
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2011 Alpine 335d M-Sport 12.34 @ 110.48mph
2019 i3s Terra, 2008 Black 335i Sedan. 11.11@ 129.47 mph 2008 Monaco Blue JB3 2.0 335i Coupe. 11.33 @ 132.77 mph, 60-130mph: 6.95 seconds 2023 i4 M50 11.48 @ 121.56mph, 3.43 0-60 (dragy) |
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10-31-2022, 02:23 PM | #5 | |
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Drives: 2023 BMW i4 M50
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Nice video though! |
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10-31-2022, 02:36 PM | #6 | ||
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Nice numbers here and in line with Car and Driver. I think the most impressive thing in the M50 is the 20-70 acceleration, but the 1/4 times are no slouch either. Part of me feels like there's an extra 100 hp/150 torque hiding somewhere that could be unleashed given the iX m60…wonder if that's even possible with a EV |
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10-31-2022, 03:16 PM | #7 | |
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10-31-2022, 04:07 PM | #8 |
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Run in periods or break in, is sitill a good idea because all surfaces the come in contact do need to wear in a bit.
Just like rings and bearing need to seat. Differentials will wear in as mating teeth rub together, etc. 300 miles is not that far, I would suggest following the suggestions.
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10-31-2022, 07:13 PM | #9 |
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300 miles is mostly for the brakes.. do you have the 60-130 time?
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10-31-2022, 07:14 PM | #10 |
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Just wait til you throw a tune on it...
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10-31-2022, 07:18 PM | #11 |
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Nice but it can't outrun that nasty ass front end.
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10-31-2022, 07:24 PM | #12 | |
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10-31-2022, 07:28 PM | #13 | |||
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10-31-2022, 07:40 PM | #14 | |
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From the E90 forward the dash can be coded to present the actual speed. The high error means that BMW protects themselves from lawsuits related to tickets.
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10-31-2022, 08:25 PM | #15 | ||||
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First, BMW could offer the same drivetrain in several vehicles across series, differentiate them by, say, setting the base models with the factory tune, the middle tier model with Tune 1, the luxury car with Tune 2, all using the same motor setup. For the M models, the factory motors would be more powerful and have superior performance than Tune 2, with additional software tune levels to amp up performance at a cost. Two advantages to us would be more performance with no modifications to our vehicles and all done by the manufacturer under warranty. For BMW, a source of revenue and a way to stand out from other EV companies. Not being an engineer I don't know how feasible or how much weight a base car would incur to have the same motors as a higher trim level model, for the sake of having a common motor architecture, but it's certainly an interesting idea.
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10-31-2022, 08:48 PM | #17 | |
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The M2, M3, M4, X3 M and X4M and their variants all have the same motor with different states of tune.
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10-31-2022, 11:35 PM | #18 |
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I was going for the 60-130 but the speed governor kicks in at 127mph. Don't understand why when I have the summer tires.
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2011 Alpine 335d M-Sport 12.34 @ 110.48mph
2019 i3s Terra, 2008 Black 335i Sedan. 11.11@ 129.47 mph 2008 Monaco Blue JB3 2.0 335i Coupe. 11.33 @ 132.77 mph, 60-130mph: 6.95 seconds 2023 i4 M50 11.48 @ 121.56mph, 3.43 0-60 (dragy) |
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11-01-2022, 05:02 AM | #20 | |
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Putting numbers in a HP calculator, we can see it takes about 510 HP to move a 4000 LB M3 Competition through the qtr mile at 123.8 mph. Right in line with factory HP numbers. We can also see how a 5000 Lb i4 requires about 585 HP to trap at 120 MPH. Both the M4 and i4 are about a half second quicker in the qtr mile than the calculator, so perhaps it doesn't take AWD into consideration. Although the 60' times seem fairly accurate. So either the electric car has near zero driveline loss, or HP calculators aren't that accurate for EV powerbands, or a little bit of both.
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2011 Alpine 335d M-Sport 12.34 @ 110.48mph
2019 i3s Terra, 2008 Black 335i Sedan. 11.11@ 129.47 mph 2008 Monaco Blue JB3 2.0 335i Coupe. 11.33 @ 132.77 mph, 60-130mph: 6.95 seconds 2023 i4 M50 11.48 @ 121.56mph, 3.43 0-60 (dragy) Last edited by hotrod182; 11-01-2022 at 05:24 AM.. |
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11-01-2022, 05:03 AM | #21 | ||
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And yeah it's just an odd layout Edit - looks actually like it's a cruise control speed actually as there's a line to the right |
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