So moral of the story is that it is possible to flash an S4 file to an A6 box if the A6 box is still in the car with it's corresponding immobilizer. Otherwise a bench flash in boot mode would be necessary to gain ecu access without the right immobilizer present. Boot mode bench flash also goes from TIP to 6 speed changes as the TCU field does not update.
Is that correct? or is it possible to plug an A6 box into my S4 and then flash?
Also can someone please tell me which maps are related to injector sizing, maf, and other recommended changes to Tonys file? I'd like to change Tony's base file for EV-14s and a 90mm MAF. I am having trouble wrapping my head around which maps change what and how they are all inter related. Noob to tuning in general not just Motronic
FYI I have recently put at A6 automatic ECU (L box 4B0 ecu) in a 6speed S4 (originaly M ecu) and reflashed it in the S4 to stock H ECU file I had and it worked and allowed recoding and eliminated the immo. Had a customer with a bad ECU and I could not get the correct 8D0 ECU quickly so I tried some experiments with what I could get my hands on. This L auto ECU was the only one I could find with correct plug to fit S4 harness. Suffix leters on 4B0 ECU is different.
