Quote:
Originally Posted by zeronoo
i also have a bm54 back, and i read a little about that hw...and afaik, you will have a problem if you want to retrofit a ULF/TCU unit to moded bm54 back...a small integrate circuit is missing from the mainboard, some other small components as well...
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Yes, you`r right. I missed to mention that my car is equipped with DSP and my ULF module works perfect. Did not try on car without DSP yet.
Will try this week and let you know.
I checked the mine PCB and found no differences between BM54 Back OG and BM54 NG. I`m not sure, is there any differences HW and SW in BM54 Back according production date
Any way, I`ll try to change the EEPROM and BIOS (atmel) chips as well and hope there will be no problem even in car without DSP...but let me first try
