11-13-2018, 02:30 AM | #47 | |
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I'm not sure what you're trying to get at, but aluminum does not rust. Literally the only type of metal that rusts is iron or iron alloys like steel. Aluminum control arms may develop surface corrosion that does not affect performance at all. Aluminum is much more preferable to steel control arms in cold climates as steel will rust easily. |
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11-13-2018, 06:46 AM | #48 | ||||
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11-13-2018, 08:10 AM | #49 |
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Found this little nugget in the new press release for M340i here:
https://www.press.bmwgroup.com/usa/a...-xdrive-sedans "In order to optimize directional stability during heavy braking on surfaces with differing levels of grip for the right-hand and left-hand wheels, a steering impulse is applied to help the driver correct the car’s line". No thanks!! |
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11-13-2018, 08:32 AM | #50 |
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This is the most interesting part for me:
"The K&C machine reported that aligning torque is 64 percent lower in the [F30] 328i than in the [E90] 335i." "And in that measurement, he says, the new G20 3 Series is up to 10 percent better than its predecessor thanks in part to changes in suspension geometry." Does this mean steering feedback is expected to be a lot worse compared to E90 once again? |
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11-13-2018, 09:14 AM | #51 | ||
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11-13-2018, 12:22 PM | #52 | |
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11-13-2018, 01:21 PM | #53 | |
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Point of my post is that journalists are always positive/political/etc and not fully truthful. You start hearing the truth in comparison videos and when the next gen of a car shows up.
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11-13-2018, 03:47 PM | #55 | |
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But... Amongst “enthusiasts”, you forgive the pinpoint, single-issue fundamentalism that infects the Internet. No MT, I’m never buying BMWs again. No hydraulic steering, I’m going to invade. No factory rolled fenders for those sweet dub-dubZ that surely every discerning cognoscenti installs, death to Germany etc. That single-minded, laser-focused concentration on intolerance of - in this case, the summation of customer requirements in the upper-mid-scale small family sedan premium lease sector. Explains a lot about the world. |
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11-14-2018, 10:23 AM | #56 | |
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11-15-2018, 05:13 PM | #57 |
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must have great aeros and power, but with something that big, I can't see how it will be fun to drive, even in high 300 horses. I hope they keep the M235i/M240i the way it is now... things are getting out of control.
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11-25-2018, 10:53 PM | #58 | |
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I do wonder if they mean F30 LCI or F30 pre-LCI. LCI had revised front suspension, and I have had no complaints with mine (though admittedly I've never driven an e46 in anger to compare it to). So, if F30 was shit, F30 LCI was 'ok', 10% better than 'OK' is possibly better than you think. The 64% number was measured on pre-LCI F30. (and there's also the question of 328/330 vs 335/350, there could be other part differences that impact the steering feel between the entry-level 3 and the 'sporty' 3) |
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11-26-2018, 07:14 AM | #59 | |
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It’s a shame the 3 took such a beating in the US press, and appears to have presaged the permanent decline of the brand there. Last edited by ScottAndrew; 11-26-2018 at 07:35 AM.. |
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11-26-2018, 09:36 PM | #60 | |
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11-27-2018, 06:12 AM | #61 | |
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11-27-2018, 06:59 AM | #62 |
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When you refer to the E90 steering, recall that there are three versions of the steering rack (North American cars): 18:1 in all xdrive cars, 16:1 in RWD, and 12.5:1 ratio in the M3. While the ratio is a huge driver in the overall subjective impression, my experience with both RWD versions is they provide excellent communication approaching/at/over the limits of the front contact patches on track. That fine level of feel as you approach/exceed the limits up front is well-communicated and therefore manageable - intuitively. They also have a nice build up of steering wheel torque as lateral loads (contact patch cornering loads) build that gets light, just as it should, near the peak. It's really second nature driving one of these for all they're worth on the track like most prior BMWs were.
If the future EPS is anything like the M2 Competition's retuned EPS, it's all going to be fine. I spent 4 hours on the Michelin 1/2 mile skidpad shortly after buying the M2C with one specific purpose: evaluating its EPS. It is significantly improved from the prior M2 (and non ZCP F80) and greatly improved from the F30 disaster. The steering provides that nice build up of steering wheel torque with lateral load, and it gives very good feedback near/at/over the limits up front. Although I spent a lot of time drifting, I did do many laps attempting to drive it as quickly as possible around the pad by holding it right on the limits front/rear, and the EPS is good enough that I could only focus on evaluating its behavior for so long before I would lose myself just driving this mini-beast for all it was worth. There is no significant numbness near/over the limit like on past EPS. It is so far removed from the F30s I've driven as to not even be called the same thing. I did a write up in the M2 forum on the evaluation if anyone is interested. My wife and I bought the M2C with the plan of flipping it right away if the EPS was junk as neither of us have been interested in any BMW since the E9x generation. The car is staying for now.
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11-27-2018, 09:53 AM | #63 |
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11-27-2018, 11:52 AM | #64 |
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In terms of "modern" BMWs, ages back F30 328i and 335i Msport, OG M2, F80, F80 ZCP.
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02-23-2022, 09:45 PM | #65 |
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Just wanted to say, even after 2 years of ownership, this car's handling is blowing my mind after each drive session.
I used to have E92 Msport suspension, and now with G20 I only have normal suspension with adaptive damping, and the G20 feels much better. It's unclear to me what makes this g20 feel so good. My best guess is the chassis is much more stiffer and suspension geometry could have a big effect too. The car just gives so much feedback when on traction limit. And I'm even able to do deliberate understeer braking like in karting. Body leaning / roll is a problem though. Also the low speed damping seems stiff compared to spring stiffness. No idea about rebound. I think all the non-M BMWs nowdays are like this. I think steering feedback is good enough. IMHO people who say this car lacks steering feedback because of being electric are just numb handers. You can definately feel the traction limit when trail braking or feel the road uneveness when you load the front suspension properly. |
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02-24-2022, 11:51 AM | #66 | |
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