11-09-2018, 03:46 PM | #1 | |
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2019 BMW 3 Series G20 handling improvements deep dive
Featured on BIMMERPOST.com https://jalopnik.com/the-engineering...ing-1830257906 Quote:
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11-09-2018, 03:57 PM | #2 |
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I was about to post this as well. Its a surprisingly well written article for Jalopnik. Very interesting stuff. Wish I understood it all!
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Flying Ace4984.50 |
11-09-2018, 06:00 PM | #3 |
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So the 800 pound gorilla in the room says how does the g20 compare to the benchmark e90 with hydraulic power steering? Also, next years g30 will need to be updated with the same geometry as the new 3 series to benefit from it.
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11-10-2018, 12:47 AM | #4 |
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I wouldn't hold your breath for anything too drastic. From reviewers it sounds like a subtle improvement at best. The suspension and LSD sound promising. But without the manual, it might be time to look at the M3. With the simultaneous release of the Competition, the M3 is really just one step above the M340i.
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Westsider4513.50 MT4life575.50 |
11-10-2018, 08:02 AM | #5 |
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Was also going to post this article. Good info and well researched.
I was a bit disappointed when going from a '14 335i with Sport suspension to my current '17 340i with Adaptive. Yes, Comfort is now a bit less firm like I was hoping (more comfortable for passengers), but Sport just seems kinda "crashy" to me, without much improvement in handling. If I could do it over, I'd skip Adaptive. New Sport dampers sound great, hope they live up to this hype. Wonder if the M340i can be had without Adaptive? Looking forward to driving it! |
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11-10-2018, 08:05 AM | #6 |
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Not sure electric assist can ever feel like hydraulic steering. But if it's 10% better than F30, I'm OK with that.
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M3 Adjuster7905.50 MT4life575.50 |
11-10-2018, 09:06 AM | #7 | |
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11-10-2018, 12:19 PM | #8 | |
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Car & Driver just put out a review of the new Z4 and was pleased with the steering. They said the new 3er will have the same steering. With that being said, I'm not getting my hopes up. The E90 was the gold standard that we will never see again. Consumer tastes have changed too much during the 2010s decade. It's all about comfort and badge whoring for people. That's what sells. |
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11-11-2018, 04:52 AM | #9 |
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I would think they could have done more than 10% better with the steering feedback and feel. A move in the right direction but would have been nice to hear something like 40 to 50% better. Like they always claim for chassis stiffness increases, year after year after year!
Here's hoping.... https://www.caranddriver.com/flipboo...-generation#10
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Last edited by cdgatti; 11-11-2018 at 01:31 PM.. |
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11-11-2018, 08:06 AM | #10 |
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I’m surprised everyone is clamoring for E90 steering. I had a E90 335i RWD with 704 M Sport suspension and remember everyone complaining about the pothole explosions. It just goes to show that no one is ever happy with they have.
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11-11-2018, 10:03 AM | #11 | |
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Strange thing is, over here in Europe some E9x models had EPS, there was hardly a 'peep' of complaint about it. Some remarked on how light their steering was, and usually were questioned, "do you have HPAS or EPS?" Some users had no idea they even had EPS. |
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M3 Adjuster7905.50 Westsider4513.50 |
11-11-2018, 10:16 AM | #12 | |
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One thing that does come to my mind, they must be more finely tuned to the spring rate and ride height, to get the full benefit of 'Lift-Related' (position related) damping. I can't see them working the same with lowered springs, as the working range (within the damper) is then dimensionally changed. Can envisage a strange compression stiffness on the rear, and not fully benefitting from the stiffened front rebound. Could end up having very weird/unsettled damping characteristics, if someone lowered the car by say 25 - 30mm. We wait to see! |
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11-11-2018, 12:48 PM | #13 |
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I remember being active on these forums when the E90 came out ( I bought a new 320 in 2005 and was on here almost every day ). At the time , the E90 steering was criticized for not having any feel off center ( when you start turning it ). I'm sure you'll find some posts about it. Anyway the point is that even the E90 was criticized heavily compared to the E46 ( dont' even started about the run flats ), and it seems like any new model will get criticism. I've learnt not to get too stressed about it until I drive the car. Some criticism is valid - the first E90s had a terrible ride with the run flats , and the early F30s had much worse steering than later ( and not as good as E90 ) , but overall the 3 Series remains the standard. |
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11-11-2018, 01:37 PM | #14 |
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the pothole explosions were the runflat/stiff suspension combination, not steering related.
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11-12-2018, 09:05 AM | #15 | |
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11-12-2018, 10:59 AM | #16 |
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I wonder if the M Sport diff still as the same 30% locking or if it has been increased?
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11-12-2018, 11:00 AM | #17 |
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A lot of it had to do with the horrible RFT's.
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11-12-2018, 11:02 AM | #18 |
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That's a good question. BMW has been using braking for a locking effect to slow down the wheel that is spinning quickly. I'm interesting to see if anyone has an answer.
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11-12-2018, 11:29 AM | #19 |
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This picture makes me shiver this in Sweden with our winters just gives me the creeps. This is just gonna get torn apart by all the road salt in Sweden.
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11-12-2018, 11:30 AM | #20 | |
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I was fine with e9x suspension and handling. It was the grandma and grandpas that complained |
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11-12-2018, 11:34 AM | #21 | |
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e9x: 1/10 things right and it happened to be steering f3x: 9/10 thing right and the one thing it didn't do is steering that's the whole argument summed up. |
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11-12-2018, 11:43 AM | #22 |
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Adaptive dampers
"I was a bit disappointed when going from a '14 335i with Sport suspension to my current '17 340i with Adaptive. Yes, Comfort is now a bit less firm like I was hoping (more comfortable for passengers), but Sport just seems kinda "crashy" to me, without much improvement in handling. If I could do it over, I'd skip Adaptive."
It's not apples-to-apples, but Dinan's Shockware and bumpstops coupled with ACS springs made a better ride in all modes for my F31 328i xDrive. Dinan's springs have a similar rate. May be worth going that route if you don't want a full coilover swap... |
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