[chris3g]

Originally Posted by 86zccrx

After driving with the changes for a little bit, I think it’s fairly subtle, but overall a worse calibration vs stock. If anything, the LCI owners may want to load the pre-LCI calibration if possible. To me, it just feels a bit too floaty.

Thanks for testing and giving your input , let me know if you want to flash back to original.

[forcefed]

Originally Posted by 86zccrx

After driving with the changes for a little bit, I think it’s fairly subtle, but overall a worse calibration vs stock. If anything, the LCI owners may want to load the pre-LCI calibration if possible. To me, it just feels a bit too floaty.

Floaty in all settings or just efficient?

[86zccrx]

Originally Posted by forcefed

Floaty in all settings or just efficient?

Just the comfort setting, sport tightened up similar to stock from what I could tell. I rarely if ever use sport+ when driving since on the typical roads out here it's too stiff, I'm usually between comfort and sport depending on the day/road. With this calibration, maybe I could have been more between sport/sport+ and not used comfort ever since I didn't care for the feel.
And I'm exaggerating a bit when calling it floaty, it's not like the car turned into an old american car, but compared to the original calibration it felt more floaty to me. Not just around corners, but if you hit a bump in the road, the suspension didn't settle as quickly.

[forcefed]

Originally Posted by 86zccrx

And I'm exaggerating a bit when calling it floaty, it's not like the car turned into an old american car, but compared to the original calibration it felt more floaty to me. Not just around corners, but if you hit a bump in the road, the suspension didn't settle as quickly.

That's not necessarily a bad thing, they just made comfort more comfortable, if it's too soft for some then that's what sport and sport+ is for.

[86zccrx]

Originally Posted by forcefed

That's not necessarily a bad thing, they just made comfort more comfortable, if it's too soft for some then that's what sport and sport+ is for.

True, but to me it just feels off since the shocks don't match the springs anymore. I'm far from an expert though, so other people may not feel the same way.

[squixs]

Have any of you also calibrated the right height through ISTA after these flashes and/or lowering? I'm wondering if this makes a difference.

[chris3g]

Originally Posted by squixs

Have any of you also calibrated the right height through ISTA after these flashes and/or lowering? I'm wondering if this makes a difference.

we aren't doing it as part of this experiment but i do offer it as a service and have done it for a number of customers after flashing the CS suspension calibration.

the EDC (and the headlights) do use the ride height data as an input so it's definitely possible it can make a difference, especially if you've lowered the car significantly.

i have posted some feedback from 2 users who did both the CS suspension and the ride height calibration in my thread over here https://g80.bimmerpost.com/forums/sh...14&postcount=7

[Needsdecaf]

Originally Posted by forcefed

That's not necessarily a bad thing, they just made comfort more comfortable, if it's too soft for some then that's what sport and sport+ is for.

+1

On my wife's cayenne, comfort is too floaty. She drives it almost 100% of the time in Sport. Sport plus is the rare occasions we get out in the hill country and I hustle it, and Comfort is what I like to call "Westheimer Blvd. mode" if you are familiar with Houston. I'd rather have a middle ground you use most of the time, one for extreme comfort and one for more sporting drives than drive all the time in comfort, have sport be sporting and sport plus too stiff since I'm never tracking the car.

[Steveo]

Is the LCI G82 software same as the pre LCI G82 latest software?
The pre LCI G82 had updated VDP software back in July around time LCI came out.

[86zccrx]

Chris3g rolled back my car yesterday and I immediately felt the difference in how the car drove. It is obviously a bit stiffer in comfort, but just feels more balanced overall.
If the suspension changes could have smoothed the ride out a bit without feeling like the shocks couldn't keep up with the springs I would have preferred it, but between the 2 options I think stock just felt correct.

[chris3g]

Originally Posted by Steveo

Is the LCI G82 software same as the pre LCI G82 latest software?
The pre LCI G82 had updated VDP software back in July around time LCI came out.

lci and prelci g82 are the same.

[Burrcold]

Originally Posted by 86zccrx

Chris3g rolled back my car yesterday and I immediately felt the difference in how the car drove. It is obviously a bit stiffer in comfort, but just feels more balanced overall.
If the suspension changes could have smoothed the ride out a bit without feeling like the shocks couldn't keep up with the springs I would have preferred it, but between the 2 options I think stock just felt correct.

Is there the CS suspension coding available? I know the CS has different shocks, but I'm just wondering if it is available how it stacks up against Pre-LCI (stock) vs LCI (stock).

[86zccrx]

Originally Posted by Burrcold

Is there the CS suspension coding available? I know the CS has different shocks, but I'm just wondering if it is available how it stacks up against Pre-LCI (stock) vs LCI (stock).

I believe some people did test it and report back in another thread. I think the results were mixed since the hardware is different, but it's also personal preference with these tweaks.

On a separate note, I should shout out Chris3g on the coding side. The process couldn't have been any easier to get my laptop setup and for him to connect and make the changes. I would recommend his services to anybody interested in having coding done. While this setting wasn't for me, there are a lot of other configurations that have been more universally praised like the CS steering, DSC, transmission(for auto), etc.

[Steveo]

Originally Posted by chris3g

lci and prelci g82 are the same.

Cheers Chris,

Just done the M4CS VDP software, will test out tomorrow

[Needsdecaf]

chris3g was able to install the LCI damper software on my car this past Friday. I had a super hectic weekend so I don't have a ton of miles on my car, but I did manage to drive it Friday after the coding twice, one outing on Saturday and one on Sunday.

First impression: there absolutely is a subtle difference. I wouldn't label it life altering or say it turns Comfort into an M340i in any way but it's there. Second impression was: I wasn't sure I wanted to keep this setup. Two things I noticed. First, the response to the steering was slightly dulled (I have monoballs and so I'm used to razor sharp reactions). Second, under moderately heavy cornering, the rear end had a bit of pogo-ing motions to it. Third, on the straightaway, there was a bit of springiness to it. It reminded me, very, very slightly, of my old Model 3's which were significantly underdamped and just "boing-boing'ed" over bumps. No bueno.

you'll notice my use of PAST tense in those descriptions. Because as I was reminded by the warning that popped up saying "please check tire pressures, it is ok to keep driving", I was running tire pressures that were probably at least 3 psi too low during those initial impressions. It's gotten cold here in Houston and, well, hey, I said I've been busy. So yesterday before I went out to pick up dinner, I pulled out the compressor and aired up to proper temperatures. It was still pretty cold and also quite wet; it's been raining most of the weekend.

The result: much closer to stock. As I said, last night it was damp and cold so I certainly wasn't pushing the car. But I didn't get any of that rear-end spookiness that I felt on Friday. The front end felt more firmed up as well. Of course the ride harshened up too, lol.

These were impressions in Comfort. Sport still felt too stiff to drive as my default go-to mode. I will say that it does appear to be a bit smoother but that may be placebo and I'll need more miles. I rotated through Sport to see how it rode but didn't put significant miles on it in that mode. Sport Plus is still very firm; I almost never use it and couldn't see that changing. Our roads here just aren't right for it.

So, more impressions to come but the bottom line first blush is:

1. Sensitive to tire pressure.
2. May be slightly under-damped.
3. Subtle but noticeable change
4. Not life-altering by any means.

Does anyone know if the part number for the LCI springs are the same? I wonder if the spring rates are different?

[Needsdecaf]

More thoughts after a further week of driving on properly inflated tires, lol. I'm definitely going to give it more time, but I think I will likely go back to the stock setup.

I will say, again, that I do believe there is a difference in comfort. Maybe 5-10%, if that, improvement in impact harshness and overall softening of bump absorption. It's subtle, but it is there.

But...on the flip side, I do believe that there is also a subtle loss of body control. I no longer feel the squirrelly rear end that I had previously mentioned. But what I THINK I have been feeling is a little bit of side to side rocking / bouncing when encountering one-sided impacts. Think like you drive off your driveway into the street, and the car twists laterally. I think the suspension is allowing more lateral movement than it really should. Likewise when hitting low amplitude, long frequency bumps (humps) that are unilateral, the car gives you a bit of head toss. I would be willing to bet that the LCI has marginally stiffer ARB's to compensate for this damper calibration. Again, this is with very unscientific testing during the holidays with bad weather. But....it's my thoughts.

So I'll likely be asking Chris to put me back sometime over the holidays. But willing to continue the experiement for now to cement how I'm feeling the car reacting and what happens when we switch it back.

[SE7EN335]

This new LCI EDC flash is making me want to put back my MPHAS and stock dampers back on and test it out for the experience

[Reprosal]

Curious how this would be for Canadian winter in Sask.. our roads are bumpy as heck and comfort is still stiff as heck.

[Vmaxx]

Originally Posted by Reprosal

Curious how this would be for Canadian winter in Sask.. our roads are bumpy as heck and comfort is still stiff as heck.

Might help, but only one way to find out.

[FrozenGT]

This is a very confusing thread. I see a lot of bad information being passed around. I would not touch your 2025 BMW.. It’s an M4 M3 stop listening to some random people on this form..I own a 2025 LCI and the suspension is perfect out of the box. Voiding warranty on your vehicle. I’m sorry I don’t really care who gets upset but unless you’re a BMW engineer, you really don’t know what you’re talking about.

Waiting for people to get their egos hurt and start responding thanks.

[Burrcold]

Originally Posted by FrozenGT

This is a very confusing thread. I see a lot of bad information being passed around. I would not touch your 2025 BMW.. It’s an M4 M3 stop listening to some random people on this form..I own a 2025 LCI and the suspension is perfect out of the box. Voiding warranty on your vehicle. I’m sorry I don’t really care who gets upset but unless you’re a BMW engineer, you really don’t know what you’re talking about.

Waiting for people to get their egos hurt and start responding thanks.

Lol dork

[Needsdecaf]

Originally Posted by FrozenGT

Waiting for people to get their egos hurt and start responding thanks.

It actually looks like you're the one with a hurt ego?

Re-read the thread. Nobody is suggesting putting this on a 2025. The point is that reportedly, the 2025 suspension was improved....could it work on pre-LCI cars? THAT is what we are checking.

This thread is not confusing. Re-read it again.

Also, this does not void warranty.