Title: MPPS 21, 04L907309L Post by: adam_wad on October 13, 2021, 10:03:27 AM Hi, I have soft 9970 uploaded, I would like to downgrade to 1969, I have mpps v21 cable.
Can I even do it without opening the ECU with this cable? my car is AUDI A4 B9 2016 engine DETA ecu number 04L 907 309 L |