Adding US emissions readiness to CSL Software

[HanSooloo]

Kinda OT, but any thoughts on the HTE alpha N tune vs the CSL tune for driveability?

His Alpha-N tune was just to help me drive to the emissions station and pass the test. No tweaks, no special considerations. FWIW, the car feels "normal", almost the same as before I had all the hardware mods.

I am hoping to get the full CSL tune that takes into account the mods in the coming days.

[R3VM3UP]

Quick update:

Got a backup MSS54 DME off eBay just for emissions. Couldn't get the car to start properly, so called on HassanEido for his help. He was super cool, on a Sunday afternoon, to help me out with an updated full binary and tune file (couldn't update VIN on new DME, couldn't sync EWS, etc etc).

He deleted the EWS, updated the tune with Alpha-N, and the IAT, Schrick 280/272 and SuperSprint setup and got me going in no time (not kidding when I say the whole process was no more than 15 minutes !!!)

Did a full drive cycle to get the monitors to ready state and took the car to the same emissions station, and this time it passed.

Word of warning, and not sure if all stations do this, but they asked me "where the catalytic converters were" 🤣 I guess they _ARE_ doing visual inspection in Virginia as well. Since I have SuperSprint cat-less headers, and catted Section-1, I told them "oh, that .. I had them replaced and now they are under the car. He used a flash light to verify and gave me the PASS.

PHEW!! is all I could say. I was genuinely worried about the visual inspection part

Kinda OT, but any thoughts on the HTE alpha N tune vs the CSL tune for driveability?

[jbfrancis3]

Good stuff. They wouldn't be able to visually validate stock cats unless it were on a lift so its sort of a silly question to begin with - he probably wanted to see what you said. Certainly stench would give away no cats.

[HanSooloo]

Quick update:

Got a backup MSS54 DME off eBay just for emissions. Couldn't get the car to start properly, so called on HassanEido for his help. He was super cool, on a Sunday afternoon, to help me out with an updated full binary and tune file (couldn't update VIN on new DME, couldn't sync EWS, etc etc).

He deleted the EWS, updated the tune with Alpha-N, and the IAT, Schrick 280/272 and SuperSprint setup and got me going in no time (not kidding when I say the whole process was no more than 15 minutes !!!)

Did a full drive cycle to get the monitors to ready state and took the car to the same emissions station, and this time it passed.

Word of warning, and not sure if all stations do this, but they asked me "where the catalytic converters were" 🤣 I guess they _ARE_ doing visual inspection in Virginia as well. Since I have SuperSprint cat-less headers, and catted Section-1, I told them "oh, that .. I had them replaced and now they are under the car. He used a flash light to verify and gave me the PASS.

PHEW!! is all I could say. I was genuinely worried about the visual inspection part

[George Hill]

To follow up on what nextelbuddy said... In Texas we had (have?) (2) different brand machines, ESP and World. When I worked a the dealership we had (2) ESP machines and we had stock US cars with the "updated" software and they sometimes didn't pass. In that case we would send them down the street to a tire shop that had World machines and they would pass.

We just had a CSL converted DME setup with Terra's software and tuned by HTE and it passed with no issue, although I don't know the brand of the machine the client used in that case.

[SliM3]

I am using the MAP sensor. After flashing the original / non-CSL software, would I need to set an Alpha-N tune?

I use WINKFP to flash CSL SW because it will populate the correct hardware numbers based on my VIN input. This in-turn will allow interrogation of the DME to validate required emissions equipment, albeit they aren't actively being monitored by the SW, & most flags would already be preset or suppressed. In this condition the SW still has capability to respond to OBD interrogation but will obviously reply with “Not Ready”, “Not Installed” or whatever.


At this point one would modify the OBD ISO protocol in the SW programming to always reply as “Ready” whenever it's interrogated by emissions equipment; The caveat being it works here in GA but not sure about other states. Not to mention it's a slippery slope when dealing with emissions and the Fed.



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[jbfrancis3]

Not all emission stations have the same machines with the same software. If you go to one place and they can't communicate then choose another place. You can even ask the place that does your emissions that says they can't communicate with your DME, What machine and software they have? Or at least what the name of the machine is That way when you go somewhere else you can see if they have the same machine.

It'd be interesting to find out how many different places those people actually went to or if they just went to the first or second place and gave up and said well that's it. It's not working for me.

That may be true for your state but its not a crapshoot in other states which do use the same equipment; otherwise, they aren't an authorized emissions center.

[HanSooloo]

Wow .. that's a really nice write up. Quite interesting to get the history on this. I will try a few different stations to see if those can communicate with the car.

On the topic of going back to the original software, is BDM the only way?

[nextelbuddy]

When the CSL ECU software first came out years ago on the old M3 forum.. We all had the same problem everybody's having today. CSL software never received the updated US emissions protocols that the latest MSS54HP DMEs received as a software update back in the old days.

What that means is that not every emission station is going to be able to communicate with your DME if you have the CSL software flashed.

So here in Georgia I was flashing lots of people's DMEs with the CSL software, So many people hit me up saying they couldn't get their car to pass emissions because all of the emissions stations they were going to which was the ones they always went to before we're giving them the message that the DME could be communicated with.

Even I experienced it at one of my old traditional stations that I always used in the past.

So I went to different stations and eventually found one that had no problem and then I found another that had no problem communicating with the DME with the CSL software installed

And I let the people know that also had the issue locally to use those stations or to try different ones.

Not all emission stations have the same machines with the same software. If you go to one place and they can't communicate then choose another place. You can even ask the place that does your emissions that says they can't communicate with your DME, What machine and software they have? Or at least what the name of the machine is That way when you go somewhere else you can see if they have the same machine.

It has nothing to do with flashing terras updated binary....


Terras updated binary was to resolve an issue where InPA could not communicate with the CSL software installed on the DME which was not the same issue as the emissions computer can't connect communicate with the DME.

It's crazy the people are having to buy multiple DMEs to do this

So all of the people that claim that they have to CSL software installed and they go get emissions done and the emissions people say that they can't communicate with the DME. It'd be interesting to find out how many different places those people actually went to or if they just went to the first or second place and gave up and said well that's it. It's not working for me.

[HanSooloo]

Other than BDM flashing, is there any way to revert the MSS54HP software to the original fullbinary.bin I had from _before_ the conversion at Kassel? I tried to use MSS Flasher to restore my original binary, but it complained that "The ECU ID and FULLBINARY ID don't match".

[jbfrancis3]

I am using the MAP sensor. After flashing the original / non-CSL software, would I need to set an Alpha-N tune?

I went with a 2nd ECU programmed for the car with Alpha-N. PCS Tuning set everything up remotely.

[HanSooloo]

The only way I know how to get CSL software to pass emissions is to flash original SW using WINKFP so the VIN & all HW numbers specific to your vehicle get populated, and then change the ISO14230 protocol in the programming file to ignore all flags & force OBD II readiness reply. You have to set ALL emissions related DTC's to '00'. Should only be accomplished on “off-road vehicles” only!


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I am using the MAP sensor. After flashing the original / non-CSL software, would I need to set an Alpha-N tune?

[SliM3]

The only way I know how to get CSL software to pass emissions is to flash original SW using WINKFP so the VIN & all HW numbers specific to your vehicle get populated, and then change the ISO14230 protocol in the programming file to ignore all flags & force OBD II readiness reply. You have to set ALL emissions related DTC's to '00'. Should only be accomplished on “off-road vehicles” only!


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[HanSooloo]

Went for emissions inspection here in Chantilly, VA at a location that has an NVAS-2 system (not sure if it is important info or not).

Emissions computer could not communicate with / connect to the car, therefore I couldn't pass emissions inspection. It wasn't a fail, but more like "we can't tell either way". Interestingly, when I connect my OBD-II adapter to the car, and check the monitors using OBD Fusion app on my iPhone, they are ALL GREEN / PASS. It's really curious as to how the state computers can't communicate with the car, but a cheap OBD-II adapter can. Oh, well .. must be a software thing.

Software on the DME was what came from Kassel Performance: 2113 2500 0401 PD11

This software seems to be the original EU CSL software with EOBD on it: Full 211325000401PD11 Std EOBD (European OBD).bin

I am going to try Terra's binary later and go back to the same gas station again to see if I can pass.

[ppm008]

It's really hit or miss.

Both of my cars have identical software and setups on them. One passed at a specific station and when I took the other one there a few months later, they weren't able to read it. Went down the street to another station and it read and passed just fine.

BMW M got problems with scantool communication.
Some scantools can't read ECU readiness, so BMW M fixed this with version 323_2001 and 323_2701, so years later than CSL appeared.
Best would be to report scantool version with good or bad pass, so one can switch to another station with functional scantool.