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  BMW Forums » BMW discussion forums » BMW 5-Series
  550i - Software bug with CDs (Audio & MP3)?

 550i - Software bug with CDs (Audio & MP3)?



Just took redelivery of my 2006 550i. Having a great time getting reacquainted with it and getting to know it intimately. Love the car, except for one thing which surely must be a software bug. Searched a while around this forum - but didn't find anything apropos.

Basic problem: The audio system will play (make forward progress through the audio material on the CD) even though the sound is "off" (turned music off via on/off/volume button on the dash - speaker icon has a line drawn through it on the iDrive display). Happens with both normal Audio CDs and with MP3 CDs.

There seems to be several ways this happens - the most annoying is that I can return to the car after, say, 30 minutes, and find that it's advanced through the CD by about 25 minutes.

Siimplest way to reproduce the problem.
  • Start the car.
  • Insert an audio CD
  • Listen to the 1st 20 seconds of track 1, then turn off the audio via the button on the dash.
  • Using iDrive, navigate to the CD screen in the Entertainment menu. You will find that the CD is on track 1, and at 0:20. And is stopped. Good. No problem yet.
  • Push the CD right-arrow button on the dash.
  • You will see in the iDrive screen that the CD advances to track 2, and commences playing (the timer advances). EVEN THOUGH THE SOUND IS STILL OFF (Speaker icon has slash through it - no sound is emanating from the speakers).
  • If you turn the audio on (via the dash button), the CD plays at the point it is indicating on the iDrive screen.
  • If you turn the audio off (via the dash button), the CD stops - Cool.
  • But you can make it start "playing silently" again if you push the left or right CD arrow buttons on the dash.

It exhibits similar behavior when you return from the car after a long enough period that it has "gone to sleep". If you start the car, the CD will start advancing, even though the sound is off.

Very inconsistent. Clearly this must be a bug. I was wondering if others had experienced the problem, and if anyone knows the resolution. I'm guessing I need a progman update. My car was produced in Dec '05. Don't know what version of progman it's running.

Ring any bells with anybody?

Oh - in case this matters, options on the car are: 550i 6MT, Sport Pkg, Comfort Access, Nav, Active Steering, SunShade, Foldown Seats, Cold Weather Pkg, Anth Headliner, Gas Guzzler Tax (). No L7, no CD Changer.
   Reply » 550i - Software bug with CDs (Audio & MP3)?

Mine does the same thing. I've got a 550i that was produced around 1/15/06.

But it's really not that big a deal. From your description, it seems the only way to make this happen is to push the next track or previous track button when the CD player/entertainment system is turned off. Why would you ever want to do that anyway?

   Reply » 550i - Software bug with CDs (Audio & MP3)?

Mine does the same. Dec. production. The biggest issue is that the CD continues to advance after turning off the sound. I always turn off the sound before turning off the car, but the next time I get back in the car, the CD will have advanced by itself. I believe what is happening is that when I start the car, the CD starts playing, but stays on mute. By the time I turn on the sound, which could be 5-10 mins into my drive, it would have advanced as if I had been playing the CD from when I started the car. Irritating.

   Reply » 550i - Software bug with CDs (Audio & MP3)?

Quote:
... it seems the only way to make this happen is to push the next track or previous track button when the CD player/entertainment system is turned off. Why would you ever want to do that anyway?
No - that's not the only way to make it misbehave. Just the easiest to reproduce. I've found that there are many ways it will go into playing-while-off mode. One is as tdot5 describes ... it goes into playing-while-off mode when you start the car. But there are other ways it happens as well ... I've returned to the car to find that it's advanced at least 20 minutes ... even when I check immediately on firing up the ignition.

The only way I've found to reliably pick up where you left off playing a CD is if you - before turning off the audio, or the car itself - first switch the audio source to something other than the CD, then turn off the audio or the car. When you turn the audio or car back on, and then switch back to the CD, it will resume where you left off -- it will not have advanced mysteriously.

Gotta be a software bug. Has anybody identified a fix? Is there a certain revision level of "progman" that fixes it?

A similar misbehavior ... if you perform a voice function while the CD is playing, the CD does not pause during the "conversation". I could almost accept that this is ok. However, the CD *will* pause during a phone call - so why not during a voice command conversation?

This CD misbehavior is the only complaint I have about this car -- otherwise thoroughly happy with it. Thrilled might be a better word

   Reply » 550i - Software bug with CDs (Audio & MP3)?

Pushing the volume control performes a "mute" function. It's just a handy feature that it also pauses cd play. I find it perfectly logical that if you push the cd player button to tell the cd player to advance the track while you have the audio muted, it does what you tell it to do. I'd find it less logical if it ignored your input command. "Mute" is to mute the sound, not bring the entertainment system to a full halt.

I also find it perfectly logical that the cd would pause during a phone call (which could go on for several minutes or longer) and not during a voice command (which takes a matter of seconds).

   Reply » 550i - Software bug with CDs (Audio & MP3)?

Quote:
Pushing the volume control performes a "mute" function. It's just a handy feature that it also pauses cd play. I find it perfectly logical that if you push the cd player button to tell the cd player to advance the track while you have the audio muted, it does what you tell it to do. I'd find it less logical if it ignored your input command. "Mute" is to mute the sound, not bring the entertainment system to a full halt.

I also find it perfectly logical that the cd would pause during a phone call (which could go on for several minutes or longer) and not during a voice command (which takes a matter of seconds).
Yes but I find it completely illogical that there is NO PAUSE/PLAY control for the CD! Only by selecting another entertainment source (FM etc) can you pause the CD. So it really bugs me that the 'mute' function is not defined to always PAUSE the CD, whether by phone activation, voice command entry or button push. I find this lack of consistency to be a bug and very anoying.

Its especially bad if you listen to books on CD where I want to resume exactly where I left off. I hope this is fixed in a future CIP version update. -steve-


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