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98indypacer
12-18-2022, 01:15 PM
I have a 94 ZR-1 that has the BKKR calibration and looking to upgrade it to BMCB. Does anyone have a source to download the BMCB bin file?

XfireZ51
12-18-2022, 08:07 PM
I have a 94 ZR-1 that has the BKKR calibration and looking to upgrade it to BMCB. Does anyone have a source to download the BMCB bin file?

I think the BKKR was the latest upgrade for 93-95 LT5s.

98indypacer
12-18-2022, 08:55 PM
I think the BKKR was the latest upgrade for 93-95 LT5s.

That?s what I thought until I read this in a presentation from Marc Haibeck.

?For ?93 to ?94?s GM issued BMCB with Product Service Bulletin 576514 dated 18
September, 1995. It addresses a problem with a sag or surge on light throttle acceleration below 2500 RPM. It also corrects an intermittent ASR error that a few cars had.?

I read that BKKR was released 11/12/93 and was replaced by BMCB.

XfireZ51
12-19-2022, 12:47 PM
That?s what I thought until I read this in a presentation from Marc Haibeck.

?For ?93 to ?94?s GM issued BMCB with Product Service Bulletin 576514 dated 18
September, 1995. It addresses a problem with a sag or surge on light throttle acceleration below 2500 RPM. It also corrects an intermittent ASR error that a few cars had.?

I read that BKKR was released 11/12/93 and was replaced by BMCB.

Looking at my library, the BKKR bin is an $F0 Mask ID. The latter $F0A bin file you are looking for is the BFDM. At least that's the broadcast code I have. Not sure if there was an earlier or later update beyond that.

XfireZ51
12-19-2022, 01:09 PM
I found a copy of the BMCB bin file. Its identical to the BKKR bin as both are $F0 bins. The BFDM bin is an $F0A and appears to be the latest update.
So to load it, u will need the $F0A .xdf for TunerPro

98indypacer
12-19-2022, 07:27 PM
I found a copy of the BMCB bin file. Its identical to the BKKR bin as both are $F0 bins. The BFDM bin is an $F0A and appears to be the latest update.
So to load it, u will need the $F0A .xdf for TunerPro

Thank you! I found this chart here in the Registry that helps. Do you have a copy of the BMCB file that you could send me? I can pm my email address.

http://zr1.net/forum/attachment.php?attachmentid=3432&d=1398550314

scorp508
03-20-2024, 12:23 PM
So to load it, u will need the $F0A .xdf for TunerPro


Does anyone have $F0A XDF? I have $F0 but have not seen an $F0A to download and searches are coming up short.

*edit*

Actually, if BMCB (F0) superseded BFDM (F0A) a couple years later going by the chip P/N and release date, then I may not even care if I have the F0A XDF.

scorp508
03-20-2024, 12:40 PM
For what it is worth, there was a $F0A .XDF here.

http://www.gearhead-efi.com/Fuel-Injection/showthread.php?382-16163993-16196394-PCM-Information-FO&p=2697&viewfull=1#post2697

When compared to F0 there's little different in the F0A XDF other than unique IDs and address changes in a couple volumetric efficiency tables. Would be interesting to compare the BINs for them.

XfireZ51
03-20-2024, 03:52 PM
I think u could essentially disregard the BMCB and just load the BKKR. The diff between the FOA and FO is pretty insignificant at this point.

scorp508
03-20-2024, 06:34 PM
I think u could essentially disregard the BMCB and just load the BKKR. The diff between the FOA and FO is pretty insignificant at this point.

Curiosity often gets the best of me. :)

Raykahn
03-29-2024, 04:18 AM
Pretty certain I have all the .xdf and .bin files for all years. Shoot me a PM with which ones you want and your email and I will send them your way.

Will probably have to put them in a zip file. Email services will flag the .bin as a dangerous file type.