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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 08-26-2011, 08:39 PM   #41
HakenTT
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I compared the euro2 to euro3 files, and I can see where the euro3 has deleted past cat 02 sensor monitoring. But if I compare the euro tunes to US tunes the data is too much different to the point that you can't see much similarities.

As for the 60kb file size, only thing it needs is rest of the bin file to be filled with FF values until it reaches 64kb size and should be flashable with galletto1260 tool.

TerraPhantm can you tell me what cable works so I can buy it on ebay?
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Old 08-26-2011, 08:49 PM   #42
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Hey guys could you just please give me one pointer. What software do I need to flash a eu2 tune to my car??

Thanks

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Old 08-26-2011, 11:30 PM   #43
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Quote:
Originally Posted by TerraPhantm View Post
I know that. However, the beginnings of the files match almost bit for bit. Here are the first 256 bytes of both types of files - first one dumped from an actual DME, the other taken from the BMW DVDs. (hexadeecimal and ascii represenatations). This leads me to believe that the with the exception of some padding, the files are comparable. (Keep in mind that more than the first 256 match, I just limited the post to the first 256 so that I don't break the thread)

DME Dump
Code:
00000000 6336 3636 6135 3238 3433 3030 3636 3031 3131 3134 3330 3030 3636 3031 3030 3030 3131 3134 3330 3030 3636 c666a5284300660111143000660100001114300066
0000002A 3031 3030 3030 3131 3134 3330 3030 3636 3031 3030 3030 6361 3433 3030 3636 2E44 4154 FFFF FFFF FFFF FFFF 0100001114300066010000ca430066.DAT........
00000054 FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF ..........................................
0000007E FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF 0000 0000 0000 0000 0000 0000 0000 0000 8080 8080 8080 ..........................................
000000A8 80FF E001 FF7F 3E00 1100 2E00 7300 2E00 1900 3200 F401 F401 1B09 0000 8001 6422 0C00 FD2C 2800 0800 00FF ......>.....s.....2...........d"...,(.....
000000D2 0000 4801 0000 CD0C CD0C 0018 0018 2001 CD00 0601 4200 CD0C 3D0A 0020 FFFF 2701 33F3 4801 370A 8901 CB01 ..H........... .....B...=.. ..'.3.H.7.....
000000FC 0C02 67E6                                                                                                ..g.
Euro2."bin"
Code:
00000000 6335 3636 3635 3066 3433 3030 3636 3031 3131 3134 3330 3030 3636 3031 3030 3030 3131 3134 3330 3030 3636 c566650f4300660111143000660100001114300066
0000002A 3031 3030 3030 3131 3134 3330 3030 3636 3031 3030 3030 6361 3433 3030 3636 2E44 4154 FFFF FFFF FFFF FFFF 0100001114300066010000ca430066.DAT........
00000054 FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF ..........................................
0000007E FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF 0000 0000 0000 0000 0000 0000 0000 0000 8080 8080 8080 ..........................................
000000A8 80FF E001 FF7F 3E00 1100 2E00 7300 2E00 1900 3200 F401 F401 1B09 0000 8001 6422 0C00 FD2C 2800 0800 00FF ......>.....s.....2...........d"...,(.....
000000D2 0000 4801 0000 CD0C CD0C 0018 0018 2001 CD00 0601 4200 CD0C 3D0A 0020 FFFF 2701 33F3 4801 370A 8901 CB01 ..H........... .....B...=.. ..'.3.H.7.....
000000FC 0C02 67E6                                                                                                ..g.
Now while I didn't look over every single bit throughout the file, it does seem like the 60KB contains everything that the 64KB file contains. The 60KB file does seem to have padding added in "random" spots (usually 4 or 8 bytes of 0s).

If I could I'd flash one of the tunes to a car, read it back, and then compare it with the data files from the BMW DVDs. If I had an MS43 car I'd do just that... but I don't. If the files could be understood, then perhaps they modified and written back to the car using tools that are easy to acquire. (As I mentioned, the cables that work with this software can be had as low as $10)

I have no training (formal or informal) for this stuff, so there's very little I can add - all I'm trying to do is point the people "in the know" in a potentially helpful direction.
I can take a dump out of the euro 3 sw if it would help.
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Old 08-26-2011, 11:37 PM   #44
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Quote:
Originally Posted by HakenTT View Post
I compared the euro2 to euro3 files, and I can see where the euro3 has deleted past cat 02 sensor monitoring. But if I compare the euro tunes to US tunes the data is too much different to the point that you can't see much similarities.

As for the 60kb file size, only thing it needs is rest of the bin file to be filled with FF values until it reaches 64kb size and should be flashable with galletto1260 tool.

TerraPhantm can you tell me what cable works so I can buy it on ebay?
You said euro 3 deleted post cat 02 sensor.

Euro 2 is the sw that deletes post car 02 sensors. Euro 3 deletes secondary air pump monitors.

Interesting to Note that you discovered no similarities between an us tune and euro.

http://cgi.ebay.com/ebaymotors/BMW-S...#ht_2647wt_948

That the interface I use. It is strictly for 99-2006 BMW iirc.

Terra might know If the k+dcan interfaces can be used to flash e46 DME.

However the interface I posted is the cheapest of them all.
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Old 08-26-2011, 11:45 PM   #45
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Also,

It would be worth a shot to edit the .0da files with the modified tuner pro hex code an try to code it through winkfp.

It might work and may allow for custom tunning without the need of a bench flash.

What could we alter to test that it worked? Perhaps modify the vanos timing so that fully advances at a certian rpm. Or set the rev limiter to 5k rpm. Hmmm
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Old 08-26-2011, 11:52 PM   #46
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Quote:
Originally Posted by newe46fan View Post
You said euro 3 deleted post cat 02 sensor.

Euro 2 is the sw that deletes post car 02 sensors. Euro 3 deletes secondary air pump monitors.

Interesting to Note that you discovered no similarities between an us tune and euro.

http://cgi.ebay.com/ebaymotors/BMW-S...#ht_2647wt_948

That the interface I use. It is strictly for 99-2006 BMW iirc.

Terra might know If the k+dcan interfaces can be used to flash e46 DME.

However the interface I posted is the cheapest of them all.
I do wonder if the US-tune taken from the Ista/P DVDs would be easier to compare. I do think that dump would be helpful too - I am curious what difference (if any) there are between the two "formats" (binary dumped straight from the DME vs. the 0da data)

And yes K+DCAN interfaces work fine w/ the E46. That's what I've been using this whole time.
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Old 08-26-2011, 11:56 PM   #47
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Quote:
Originally Posted by TerraPhantm View Post
I do wonder if the US-tune taken from the Ista/P DVDs would be easier to compare. I do think that dump would be helpful too - I am curious what difference (if any) there are between the two "formats" (binary dumped straight from the DME vs. the 0da data)

And yes K+DCAN interfaces work fine w/ the E46. That's what I've been using this whole time.
In that case I shall read out the contents of the euro 3 directly from my ecu and post it here.

Which us tune is he comparing the euro ones to?

Winkfp or the hakken Tt us tune dumps?

I'll got do it right now since I can't sleep.

Laptop died. Left it in the car.
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Old 08-27-2011, 04:26 AM   #48
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Quote:
Euro 2 is the sw that deletes post car 02 sensors. Euro 3 deletes secondary air pump monitors.
How do you know this information?

So euro2 deletes post 02 sensors but secondary pump is on? And euro3 deletes secondary air pump but keeps the post cat 02 sensors on?

But I heard that this will make the OBD2 monitoring go into "system not ready" at Arizona state emissions testing?

I would be interested in something like removing cats and air pump and still pass emissions testing.
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Old 08-27-2011, 11:27 AM   #49
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Originally Posted by HakenTT View Post
How do you know this information?

So euro2 deletes post 02 sensors but secondary pump is on? And euro3 deletes secondary air pump but keeps the post cat 02 sensors on?

But I heard that this will make the OBD2 monitoring go into "system not ready" at Arizona state emissions testing?

I would be interested in something like removing cats and air pump and still pass emissions testing.
You are correct. Euro 3 keeps cat monitoring on and sap off. I passed emissions with that tune.

Euro2 deletes all emissions and you can set the idle mixture manually through dis.
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Old 08-27-2011, 03:29 PM   #50
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Quote:
Originally Posted by HakenTT View Post
How do you know this information?

So euro2 deletes post 02 sensors but secondary pump is on? And euro3 deletes secondary air pump but keeps the post cat 02 sensors on?

But I heard that this will make the OBD2 monitoring go into "system not ready" at Arizona state emissions testing?

I would be interested in something like removing cats and air pump and still pass emissions testing.
Euro 3 = no SAP (for the M54 motors anyway. S54 still has SAP even w/ the Euro 3 tune)
Euro 2 = No cat monitors, no SAP, and probably no other emissions stuff. Basically the equivalent of our "OBDI"

Unlike aftermarket tunes, the Euro 3 and Euro2 tunes don't set the monitors to "not ready"; they set them to "not applicable" (much like the EGR monitor on stock E46s; it'll look like those components weren't fitted from the factory). Most states books say that a monitor that says "not applicable" doesn't cause failure, BUT the catalytic converters showing as n/a might raise a few red flags.

One issue with the Euro 2 tune for US purposes is that it disables the Key-on-Engine-off CEL, which is required in most (if not all) states to pass inspections. I would imagine someone who knows what they're doing can reenable that light though.
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Old 08-27-2011, 06:46 PM   #51
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Quote:
One issue with the Euro 2 tune for US purposes is that it disables the Key-on-Engine-off CEL, which is required in most (if not all) states to pass inspections. I would imagine someone who knows what they're doing can reenable that light though.
I could probably experiment with that, sense there is not much difference in data in bin files euro2 vs euro3 I could probably find out what byte of data turns on/off the CEL light.

I bought an extra MS43 ecu but it has a different hardware number on it so I don't know if it will work. I don't want to experiment with my stock ecu
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Old 08-27-2011, 07:13 PM   #52
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Originally Posted by HakenTT View Post
I could probably experiment with that, sense there is not much difference in data in bin files euro2 vs euro3 I could probably find out what byte of data turns on/off the CEL light.

I bought an extra MS43 ecu but it has a different hardware number on it so I don't know if it will work. I don't want to experiment with my stock ecu
As long as it's an ms43 it will work.
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Old 08-27-2011, 10:11 PM   #53
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guys keep it going, great work here
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Old 08-28-2011, 12:45 AM   #54
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As long as it's an ms43 it will work.
Can you explain the proper procedure of installing different ECU on the 2002 330ci?

I have the newest carsoft software 6.15 and newest PAsoft. Both have the "swap ecu" feature but I have never used it.
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Old 08-28-2011, 02:25 PM   #55
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Originally Posted by HakenTT View Post
Can you explain the proper procedure of installing different ECU on the 2002 330ci?

I have the newest carsoft software 6.15 and newest PAsoft. Both have the "swap ecu" feature but I have never used it.
I'm not familiar with carsoft nor pa soft. Swap ecu should do it. If not look for a ews/DME alignment option.
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Old 08-28-2011, 04:51 PM   #56
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What cable do i need to get to be able to flash my car and read codes

02 325i

Thanks
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Old 08-28-2011, 05:07 PM   #57
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^there's a post about it above.

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Old 08-28-2011, 05:16 PM   #58
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Thanks missed that post.

This is what I downloaded http://bmwcoders.com/forum/bmw-gt1-o...tool-winkfp-1/

Hope this will work?
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Old 08-28-2011, 05:51 PM   #59
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Quote:
Originally Posted by HakenTT View Post
I could probably experiment with that, sense there is not much difference in data in bin files euro2 vs euro3 I could probably find out what byte of data turns on/off the CEL light.

I bought an extra MS43 ecu but it has a different hardware number on it so I don't know if it will work. I don't want to experiment with my stock ecu
As long as it's an MS43 it should be okay. My own car's DME hardware number actually changed when I flashed the Euro tune onto it (obviously the sticker didn't change, but the references to the HW version in the software did)
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Old 08-28-2011, 06:24 PM   #60
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Originally Posted by TerraPhantm View Post
As long as it's an MS43 it should be okay. My own car's DME hardware number actually changed when I flashed the Euro tune onto it (obviously the sticker didn't change, but the references to the HW version in the software did)
My 330ci is automatic, how can I ID what software number is for what? Does it matter if its M/T or A/T?
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