04-16-2021, 03:35 AM | #45 | ||
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I don't make anything up you can read it yourself https://www.bmwblog.com/2020/09/23/b...82-vs-g80-g82/ |
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04-16-2021, 06:15 AM | #46 |
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BMW just made it really hard for me to decide if I should keep my current 2021 M3C order, or wait for the xDrive to come out. The additional 50 kg is not an issue. I need to lose some weight anyway haha.
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04-16-2021, 07:24 AM | #47 | |
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From what I understood from the M Traction Control video, with the traction increasing from left to right, the levels are as follows: DSC Off -> 1-10 TC -> MDM -> DSC On |
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04-16-2021, 08:13 AM | #48 | |
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04-16-2021, 08:40 AM | #49 |
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04-16-2021, 10:56 AM | #50 |
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I'm actually not that heavy. I got that nickname in the early 90's and just went with it when the internet went online. If you search around the internet you will see a heavyD in a lot of automotive forums I've been a member of.
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04-16-2021, 11:32 AM | #52 |
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04-16-2021, 11:58 AM | #53 | ||
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04-16-2021, 12:15 PM | #54 |
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It was in the Q+A released today.... we know bmw are conservative with their posted times too....
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04-16-2021, 12:26 PM | #55 |
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Thanks, Jim, that did provide some clarity.
The 10-stage traction control manages rear wheel spin using the engine's RPM as the only parameter (I think this part is interesting that only the engine RPM is managed for the TC system). And then for the DSC, it controls the yaw rate (which measures a vehicle's angular velocity about its vertical axis in degrees or radians per second in order to determine the orientation of the vehicle as it hard-corners or threatens to roll-over) by managing the engine power and brakes to stabilize the car. Very intriguing, and can't wait to play around with all of this at the track. Last edited by KevinGS; 04-16-2021 at 12:32 PM.. |
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04-16-2021, 12:53 PM | #57 | |
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Edit, I see the answer is for 0-100km/h so the AWD is 0.4s faster than BMW’s 3.9s 0-100 number for the RWD. So 3.2s should be doable. That’s moving and will make the 1/4 mile equally impressive. Last edited by solstice; 04-16-2021 at 01:44 PM.. |
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04-16-2021, 01:21 PM | #58 |
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From their Instagram story on @bmwm. Also I can't find exact numbers but I'm seeing F80 stock 100-200kmh were 9.8 or 9.3 seconds. If so, 8.8 is a massive improvement especially for a heavier AWD car off a roll. Tuned AWD G8X's will be unreal.
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04-16-2021, 04:48 PM | #59 | |
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04-18-2021, 08:30 AM | #60 |
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I would use full traction 4WD with sport plus everything else would be nice if you could have full traction control with that. Also would be nice if 2wd mode had the traction control of the s drive models.
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04-18-2021, 08:52 AM | #61 | |
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04-18-2021, 08:54 AM | #62 | ||
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This should be closer to 3.0-3.1 |
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04-18-2021, 08:55 AM | #63 |
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Weight, weight distribution, drivetrain loss and drivetrain inertia. For those that do not need AWD, RWD will offer purer/better performance, particularly on track.
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04-18-2021, 08:59 AM | #64 | |
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04-18-2021, 10:34 AM | #65 | |
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I would add to that - reliability on the track. If you track your car - the complexity and constant work of transfer case will kill it - transfer case will fail Heavy car will generate a lot of heat on the front brakes, so the drive shaft ball joints ill overheat on front wheels and eventually fail. I even question the reliability of the auto box for track work. Most of those automatics are life fill with oil. How will it handle heat? Manual box is much simpler for the track duty and possibility to put good racing Motul fluid in the gearbox and change it is a plus. |
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04-18-2021, 10:54 AM | #66 | |
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Last edited by solstice; 04-18-2021 at 10:59 AM.. |
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