DIY: Code M3 ZCP to M4 CS steering, differential, DSC, and EDC settings

[coxxoc]

DIY: Code M3 ZCP to M4 CS steering, differential, DSC, and EDC settings

I don't have to sell you on the reasons why or why not to do this. I want the DIYer to be able to use M4 CS coding without expensive apps and adapters or charge per session remote coding. The coding community had most of the documentation online for those willing to search. Please try out the coding guide. It worked for my car, but this is a do at your own risk activity with zero warranty implied.

My car is a 6 speed, so I didn't get the opportunity to do a DCT flash. See https://f80.bimmerpost.com/forums/sh....php?t=1326049 for info on DCT/EGS coding.

Updates:
2020/1/24 - Updated psdzdata guidance to use latest. Using the December 2017 version produced incorrect DSC and EPS settings when coded to M3 CS. Updated M3 CS DSC and EPS values in the validation section.
2019/12/31 - Added M4 GTS option codes. Reworded ECU update step for clarity. Provided screenshot with boxes to check for ECU update step.
2019/09/07 - Added option codes table and validations for M3 ZCP and M3 CS settings. Removed all VCM writes from coding procedures. Reduced number of steps required to code. Tested coding procedure with 2017 M3 ZCP, 2018 M3 CS, and 2019 M4 CS options.

Read the guide:
https://mega.nz/#!STYARayR!VH95vpCXo...K_-30C2jri2-64

[paulbav]

Originally Posted by coxxoc

DIY: Code M3 ZCP to M4 CS steering, differential, DSC, and EDC settings

I don't have to sell you on the reasons why or why not to do this. I want the DIYer to be able to use M4 CS coding without expensive apps and adapters or charge per session remote coding. The coding community had most of the documentation online for those willing to search. Please try out the coding guide. It worked for my car, but this is a do at your own risk activity with zero warranty implied.

My car is a 6 speed, so I didn't get the opportunity to do a DCT flash. It would be nice if another member would share how to flash. *hint hint*

Read the guide:
https://mega.nz/#!SW4hCABZ!SwQwTqTld...hRt0idX5PI18U8

Well done!
I agree everything but one thing:
You shouldn't write modified FA to VCM.
Modified FA could be just loaded, activated and modules could be coded by this FA.
There is no need to write it VCM, and you shouldn't do it because it can couse a lot of pain in the future.


Great DIY!

[coxxoc]

Originally Posted by paulbav

Well done!
I agree everything but one thing:
You shouldn't write modified FA to VCM.
Modified FA could be just loaded, activated and modules could be coded by this FA.
There is no need to write it VCM, and you shouldn't do it because it can couse a lot of pain in the future.


Great DIY!

Thanks for the feedback. I like to err on the side of caution. Can you help with corrections to avoid VCM writes?

Which steps need corrections?
- 2.b Leave Update VCM after TAL execution unchecked? TAL execution failed without this box checked.
- 6.j Omit this step. Do not Write FA FP.
- 6.l Load rather than read the modified FA.
- 8.a Load rather than read the modified FA.

[rokkuchan]

Would this work on non-zcp too?

[CanAutM3]

Originally Posted by rokkuchan

Would this work on non-zcp too?

Not entirely, because the non-CP use different damper hardware than the CP and CS.

[coxxoc]

Originally Posted by rokkuchan

Would this work on non-zcp too?

You can code these settings so long as you have the required ECUs and software. Like CanAutM3 said, the adaptive dampers on normal M3/M4 are different than those used on ZCP and CS models. The EDC coding may/may not be an improvement for you.

See https://f80.bimmerpost.com/forums/sh....php?t=1525983 to see the difference between shock valving for normal adaptive shocks vs ZCP adaptive shocks. Based on this data, you will probably feel similar low speed improvements as people report on ZCP models. High speed will probably feel softer/more suspension movement.

[stevehifi]

this DIY uses M4CS edc, is there an equivalent M3CS specific edc coding option that exists?

The spring rates on the M3CS are different than the M4CS so I would assume the EDC config is equally different.

[coxxoc]

Originally Posted by stevehifi

this DIY uses M4CS edc, is there an equivalent M3CS specific edc coding option that exists?

The spring rates on the M3CS are different than the M4CS so I would assume the EDC config is equally different.

I can try and see. After comparing VINs of the three models, we may only require addition of SALAPA-Element 7ME rather than coding the car as an M4 CS model. The model code and type for F80 ZCP and CS are the same. Only options are different.

Year/Model/Trim; Model Code; Type Code; Editions & Packages (Vin decode)
2017 M3 CP; F080; 8M93; S7M9A (Individual Option Highgloss ShadowLine), S7MAA (Competition Package), P7MNA (M Competition Package)
2018 M3 CS; F080; 8M93; S7MEA (M Drivers Package), S9MRA (M Sport Factory)
2019 M4 CS; F082; 3S73; S7MEA (M Drivers Package)

[coxxoc]

After decoding VINs for M3 CS and M4 CS models and VO coding the options, I found the settings for M3 CS are different than M4 CS.

DSC = Unique settings per model. M3 ZCP is F80_CP, M3 CS is F80, and M4 CS is F82_GTS. If M4 CS is coded, the TPMS is disabled.
EPS = M3 ZCP and M3 CS have the same value, "F80, F82, default". M4 CS is set to F82GTS
GHAS =M3 CS and M4 CS have the same value, F082GTS. The M3 ZCP is F080 + M_Competition / High is aktiv.
VDC = Unique settings per model. M3 ZCP is F80_Comp, M3 CS is F86_Comp, and M4 CS is F85_Comp.

I tried the M3 CS coding and didn't care for the steering weight. It was back to normal ZCP weight and I want the lighter steering weight from M4 CS/GTS coding. I also chose the M3 CS VDC/EDC specific coding. I haven't driven it yet to attempt to feel any differences. The guide has been updated with the option code information required to use these settings.

[kubax86]

Personally when I had my Non-ZCP M4, best combination was:
EPS: GTS
GHAS: GTS
EGS: GTS
EDC: CS
VDC: Standard

[kubax86]

Personally when I had my Non-ZCP M4, best combination was:
EPS: GTS
GHAS: GTS
EGS: GTS
EDC: CS
VDC: Standard

[m3driven]

Would go through with these clear my prior codings?

[coxxoc]

Originally Posted by m3driven

Would go through with these clear my prior codings?

VO coding will clear any previously coded settings on these ECUs. The coding is only targeting specific ECUs, so it won't reset settings on other ECUs.

[claritea]

Originally Posted by coxxoc

After decoding VINs for M3 CS and M4 CS models and VO coding the options, I found the settings for M3 CS are different than M4 CS.

DSC = Unique settings per model. M3 ZCP is F80_CP, M3 CS is F80, and M4 CS is F82_GTS. If M4 CS is coded, the TPMS is disabled.
EPS = M3 ZCP and M3 CS have the same value, "F80, F82, default". M4 CS is set to F82GTS
GHAS =M3 CS and M4 CS have the same value, F082GTS. The M3 ZCP is F080 + M_Competition / High is aktiv.
VDC = Unique settings per model. M3 ZCP is F80_Comp, M3 CS is F86_Comp, and M4 CS is F85_Comp.

I tried the M3 CS coding and didn't care for the steering weight. It was back to normal ZCP weight and I want the lighter steering weight from M4 CS/GTS coding. I also chose the M3 CS VDC/EDC specific coding. I haven't driven it yet to attempt to feel any differences. The guide has been updated with the option code information required to use these settings.

What's your final/current setup?

[coxxoc]

Originally Posted by claritea

What's your final/current setup?

I set everything to M4 GTS except VDC/EDC which is set to M3 CS.

[Dangriffin87]

Is the m4cs the gts?

Anyone got this guide with the options for gts coding?

[coxxoc]

Originally Posted by Dangriffin87

Is the m4cs the gts?

Anyone got this guide with the options for gts coding?

M4 GTS and M4 CS are not the same models but share many coding values on the ecus covered in the guide. The GTS won’t have EDC. I’ve updated the table below with GTS vo coding info.

Year/Model/Trim; Model Code; Type Code; Editions & Packages (Vin decode)
2017 M3 CP; F080; 8M93; S7M9A (Individual Option Highgloss ShadowLine), S7MAA (Competition Package), P7MNA (M Competition Package)
2018 M3 CS; F080; 8M93; S7MEA (M Drivers Package), S9MRA (M Sport Factory)
2019 M4 CS; F082; 3S73; S7MEA (M Drivers Package)
2016 M4 GTS; F082; 4S93; S7MEA (M Drivers Package)

[calubi]

Definitely going to be trying this out soon, just need to get the software updated on the relevant modules. And for that, I don't yet have a PSU...

Thanks for the guide!

[Dangriffin87]

Originally Posted by coxxoc

M4 GTS and M4 CS are not the same models but share many coding values on the ecus covered in the guide. The GTS won’t have EDC. I’ve updated the table below with GTS vo coding info.

Year/Model/Trim; Model Code; Type Code; Editions & Packages (Vin decode)
2017 M3 CP; F080; 8M93; S7M9A (Individual Option Highgloss ShadowLine), S7MAA (Competition Package), P7MNA (M Competition Package)
2018 M3 CS; F080; 8M93; S7MEA (M Drivers Package), S9MRA (M Sport Factory)
2019 M4 CS; F082; 3S73; S7MEA (M Drivers Package)
2016 M4 GTS; F082; 4S93; S7MEA (M Drivers Package)

Thanks bud, have you tried gts vs cs? Which is better?

[calubi]

I tried this, but hit a snag with the ECU update step which I'm not sure is a real issue or just a mis-interpretation of the document. When starting the flash procedure, the document mentions that all of blflash, swdeploy, cddeploy, and ibadeploy should be checked for the DSC, EPS, GHAS, and VDC1 ECUs. But the "bldeploy" and "ibadeploy" check boxes are greyed out for all four ECUs. Is this a real issue? Or are these just not needed?

FWIW, I'm trying to upgrade 16-03-504 to 19-07-562.

[coxxoc]

Originally Posted by calubi

I tried this, but hit a snag with the ECU update step which I'm not sure is a real issue or just a mis-interpretation of the document. When starting the flash procedure, the document mentions that all of blflash, swdeploy, cddeploy, and ibadeploy should be checked for the DSC, EPS, GHAS, and VDC1 ECUs. But the "bldeploy" and "ibadeploy" check boxes are greyed out for all four ECUs. Is this a real issue? Or are these just not needed?

FWIW, I'm trying to upgrade 16-03-504 to 19-07-562.

Sorry for the confusion. I'll update the guide for clarity. The grey boxes indicate esys doesn't identify an update for that portion the ECU in the calculated TAL. I went back and loaded the TAL originally executed and took a screenshot for you. Check the same boxes.

[Ropes]

Has any one else found that the CS MDM allows for more slip angle than the GTS MDM? This is by the scientific seat of the pants measurement by the way.