E90Post
 


N54Tuning.com
 
BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Pdc volume low after hifi coding.



Reply
 
Thread Tools Search this Thread
      12-20-2016, 02:18 PM   #1
mrmarcus
New Member
United Kingdom
0
Rep
12
Posts

Drives: e90 318i LCI
Join Date: Mar 2015
Location: UK Sheffield

iTrader: (0)

Pdc volume low after hifi coding.

Hi all
I have recently purchased a gm d8604 4 channel amp and installed it in my e90
It has professional radio and some vibe slick 4 speakers in the front doors. I plan on adding a 3 way kit to upgrade the front speakers and a second amp at some point in the future.
I coded the head unit to hifi and got rid of the horrible compressed sounf. However the pdc volume is really low even when adjusted to +5. The rear channels are amped on channel b.
Had anyone considering. E
Across this problem before and managed to fix it. I know there are some posts about the alpine upgrade but I understand that setup does not amp the read channels

Mark
Appreciate 0
      12-20-2016, 02:34 PM   #2
E60525d
Captain
E60525d's Avatar
United Kingdom
67
Rep
968
Posts

Drives: E90 BMW 330d M Sport LCI
Join Date: Mar 2010
Location: UK

iTrader: (0)

I believe that is to be expected when coding to Hifi, and i dont believe there is a fix for it.

This is the specific reason I did not code to Hifi, i instead installed an Audison bit Ten sound processor. This made a massive improvement.
Appreciate 0
      12-20-2016, 04:52 PM   #3
IanS100
Brigadier General
IanS100's Avatar
England
96
Rep
4,902
Posts

Drives: 520d F10 LCI M Sport
Join Date: Nov 2011
Location: Southport UK

iTrader: (0)

I had a full Mosconi dsp upgrade with hifi coding when I had an LCI e90, that suffered the same annoying side effect but I never found a solution.
Appreciate 0
      12-21-2016, 10:01 AM   #4
mrmarcus
New Member
United Kingdom
0
Rep
12
Posts

Drives: e90 318i LCI
Join Date: Mar 2015
Location: UK Sheffield

iTrader: (0)

The solution I have found is to turn up the gain on the rear channels on the amp and put the fader on the stereo to +6 towards the front.
Appreciate 0
      01-04-2017, 12:56 PM   #5
bishbosh
Captain
67
Rep
639
Posts

Drives: E91
Join Date: Oct 2013
Location: Sheffield

iTrader: (0)

I also turned up the gain and used a handheld oscilloscope to check for clipping. No issues with the pdc volume.
Appreciate 0
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


All times are GMT -4. The time now is 09:54 PM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST