Hey guys!
I have a 2011 E82 135i (prod date 07/10) with a Professional HU, Base speaker (Stereo), Bluetooth and Sirius (= I have MOST).
I am trying to code from Stereo to HiFi is because I upgraded my sound system (DSP, amps, speakers) and right now with the HU in Stereo mode it clearly affects the sound quality (although I tried to de-EQ the stock EQ but I can tell quality should be better).
Because I'm in the Bay Area I could ask Adrian to code my car with ICOM (I had gotten a quote from him, very responsive and nice) but for the sake of understanding what is going on underneath I would love to manage to do it without ICOM. This will be my fallback plan.
Here is what I did so far!!
Initially I had found instructions saying you need to add $676 to your VO then reset the following modules: CHOST, CAPPL, CGATE, CAUDI, CTUNE.
=> I don't have these modules...
So instead I did:
- add $676 to VO
- FA_WRITE to CAS then NFRM
- SG_CODIEREN (reset) CAS then NFRM
- SG_CODIEREN to 2URAD --> Failed (see 2URAD_SG_CODIEREN.PNG)
At this time I had not read this thread. So I just closed everything, locked the car and went online to do some research.
Then I found this awesome thread, and especially post #16 from Duesentrieb.
So I thought to myself, if I go back to the car and it hasn't taken the new VO, I have something new to try!
After a good 45min I went back to the car:
- HU secret menu > Audio > Stereo...
- So I tried the procedure with Tool32 > Steuergerate_reset
The HU power cycled and I heard a few clicks here and there.
- Checked again secret menu > Audio > Stereo...
Then I closed Tool32 and went to NCS:
- Checked the VO --> still shows $676
- Tried to read 2URAD --> Error (see 2URAD_Read_ECU.PNG)
- Tried 2URAD > SG_RESET --> no error, HU power cycled, same as with Tool32
- Checked again secret menu > Audio > Stereo...
Does anybody have an idea about what I could try now?
Thanks in advance
--
List of the modules my car has:
2JBBF
2MULF
2URAD
63BMO
ABG
BFS
CAS
DSC
EKP
FAS
FZD
IHK
KOMBI
LSMC
NFRM
RDCLC
RLS
RSMC
TCUM
--
As a side note I found
this post that suggests to:
- use a blank FSW_PSW.MAN
- SG_CODIEREN process the car
- run into an error with 2MULF
- SG_RESET process the car
- magically the HU would take a VO change...
Honestly I don't want to try something I don't understand, unless someone can explain to me what this does, why it would work and if it is safe.