finely i was able to upgrade TCU 1.5 GSM to MULF2 High SVS with USB/AUDIO AUX and Bluetooth to my car 550i 2006
i bought the parts for Sharjah scrapyard , the most hard thing was coding but at the end worked ,
if anyone interested in this subject well continue posting the stages of the upgrading :)
i bought the parts for Sharjah scrapyard , the most hard thing was coding but at the end worked ,
if anyone interested in this subject well continue posting the stages of the upgrading :)
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