Cars (DATA REPLACEMENT) BMW M3 E30 Improved Physics by Arch

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Kyuubeey

Kyuubeey

@Simberia
Kyuubeey submitted a new resource:

(DATA REPLACEMENT) BMW M3 E30 Improved Physics by Arch - The best of German FR.

04.07.2019 Version 0.9

• Initial release

!!!IMPORTANT!!!

Doesn't require shaders patch!

!!!IMPORTANT!!!

Includes:
BMW M3 E30 Sport Evolution 2.5 (Incomplete, suspension mostly done)

Credits:
Physics and custom UI file by Arch/Kyuubeey
UI file torque curves by x4fab's AC Torque Helper
Everything else by Kunos Simulazioni


INSTALLATION INSTRUCTIONS:

The data.acd file is intended as a replacement used alongside the KS BMW M3 E30 visuals
or a fitting visual of your choosing. Visuals are...
Click to expand...

Read more about this resource...
 
Kyuubeey updated (DATA REPLACEMENT) BMW M3 E30 Improved Physics by Arch with a new update entry:

Adjust DTM car dampers, setup

12.07.2019 Version 1.1b

- Changed M3 E30 DTM 1992 ARB range and adjustment based on new data
- Changed M3 E30 DTM 1992 damper range and adjustment based on new data
- Changed M3 E30 DTM 1992 rear camber and toe range and adjustment based on new data
- Changed M3 E30 DTM 1992 default setup to mix of Group A manual and common settings
Click to expand...

Read the rest of this update entry...
 
Oops, I'm retarded and don't know elementary math. You can enjoy the DTM car shaking itself to death over any curbs in the meanwhile. I'll change some things for the soon coming 1.2. :roflmao:
 
Kyuubeey updated (DATA REPLACEMENT) BMW M3 E30 Improved Physics by Arch with a new update entry:

DTM, setups changes

22.07.2019 Version 1.3

- Lowered DTM tire rates by 20%
- Tweaked DTM tire grip falloff values which I forgot
- Different camber sensitivity values for tires
- Tweaked angular inertia for tires
- Changed unsprung masses to probably more accurate values
- Added camber adjustment to stock car via strut dome bolts
- Expanded S1 camber adjustment due to ^
- Made "poly bushing" lateral deflection effect stronger on S1 and S2
Click to expand...

Read the rest of this update entry...
 
Saw you said people could post feedback here in the support tab.
Only really driven the DTM so far, and the rear end has slipped out while maneuvering across the track for a corner with minimal steering input in as high as 4th gear a couple of times. This is with the stock setup you've provided. I don't know if this is just the Nordschleife being uneven and me getting unlucky, but the KS variant hasn't done anything like that to me yet.
Other than that, I don't know if it's just because I'm so used to vanilla car, but yours feels kind of... Muted? I'm fairly casual, so I'm not really that proficient with setting up the car yet. I tried fiddling a bit, but I couldn't get it as direct and acute as the vanilla.
I'll play around a bit more and come back to you if I have any more feedback. :)
 
Vitaenon said:
Saw you said people could post feedback here in the support tab.
Only really driven the DTM so far, and the rear end has slipped out while maneuvering across the track for a corner with minimal steering input in as high as 4th gear a couple of times. This is with the stock setup you've provided. I don't know if this is just the Nordschleife being uneven and me getting unlucky, but the KS variant hasn't done anything like that to me yet.
Other than that, I don't know if it's just because I'm so used to vanilla car, but yours feels kind of... Muted? I'm fairly casual, so I'm not really that proficient with setting up the car yet. I tried fiddling a bit, but I couldn't get it as direct and acute as the vanilla.
I'll play around a bit more and come back to you if I have any more feedback. :)
Click to expand...

DTM springs and ARBs probably aren't the best for Nordschleife. I'm not sure if they ever even ran these cars on the old course. The bump compliance will get worse at high speed, not the other way around due to how the damping is setup, namely too stiff due to rule limitations needing a compromise.

There's some stories of Japanese mospo teams in other series coming to run on Norsdchleife, with the usual setups they run (Similar to the DTM car, very stiff with no compliance because of Japan's smooth tracks) and them just getting destroyed.

I don't know if it's entirely realistic, but everything lines up very well, and all video I saw of E30s and 190's in Gr. A and DTM spec even lightly driving over kerbs resulted in numerous and quite violent vibrations on the whole car. The lack of downforce makes it especially bad at high speed. Kunos modifies some of their cars sometimes to make them easier to drive artificially, like more rear grip (ESPECIALLY in the Yellowbird!) while I avoid it completely if at all possible, so of course the bad things of the real car will appear as well, not just the good.

Kunos tires have incorrect relaxation length and load/camber curves, so they probably will feel a bit too snappy near center indeed. So more proper cars can feel a bit "muted" as they take a tad longer to respond: which is desirable.

My cars are all easier to drive than the KS variant, but that's just because the original real cars are so good, not because mine are "too easy" per-se. I still think all sim cars are a bit too hard due to how tires respond when going over the limit. And roadcars generally have some toe-in flex from bushings stabilizing them even more, something we can't really do in AC.

I also lean towards a bit softer FFB based on what I've heard from drivers of the R34, FD and E30 at least.

Give the more stock cars a try. I'm pretty proud of the base model Sport Evo.
 
Turns out it was user error that made your cars feel wonky with no rear end grip. I have a feeling content manager messed with my track settings, because they were set to dusty/cold all of a sudden. With better conditions both the Sport Evo and the DTM feel a lot better and rear grip is more like expected. :)

No more random spins or other silly behaviour. Nordschleife handles as expected now as well. A lot more fun will be had with your cars.
 
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