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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 03-03-2014, 04:45 AM
Courter Courter is offline
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Location: Arizona
 
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Mein Auto: 328i
2011 E90 6FL USB flash drive questions.

My 2011 is a pre combox build. I had been using my iPod with the BMW supplied Y cable. My iPod is too small for all my music now so I decided to try a USB flash drive. I have noticed that the sound quality is improved using the USB flash drive over the iPod with the Y cable, most likely due to the straight digital feed versus the analog feed of the Y cable. I have also noticed that the USB flash drive has a slight delay to start playing after starting the car whereas the iPod with Y cable would start to play immediately. I do not mind the slight delay in exchange for the better sound quality and increased storage space.

My USB flash drive is a 16GB USB 2.0. What USB revision is used in the center console of my BMW, is it a USB 2.0 or a USB 3.0 interface? Are there any advantages to buying a USB 3.0 flash drive to replace my USB 2.0 flash drive?

I have noticed that at least 4 songs out of 2200 so far play at an increased speed, my guess is approximately two times speed. Those songs sound like Alvin and the Chipmunks are singing them. I checked those MP3's and they range from 128kbs to 190kbs. Any Idea as to why these MP3's are playing faster than they are supposed to? I have also noticed some unusual audio artifacts in 2 or 3 songs. Both the increased playback speed and unusual artifacts are not present when playing the files through other digital inputs like my home stereo or the iPod with Y cable connection in my car.

Any insight would be greatly appreciated.

Thanks,
Courter
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  #2  
Old 03-03-2014, 10:25 AM
ctuna ctuna is online now
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Location: usa
 
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Mein Auto: 325xi wagon
If you want better quality sound form mp3

If you want better quality sound form mp3
You are going to have to record at a higher bit rate
at least 256 . The delay is from the radio reading the index
list in the stick each time the car is powered up .
if there were less songs it wouldn't take as long.
People with Hard drive connected through the USB can have
really big index read times.
Try re recording the 4 songs you are having trouble with at
a higher bit rate on another stick.
Whatever level of Usb the car has is the limiting factor an
I would be guessing its not 3.0.

Last edited by ctuna; 03-03-2014 at 10:28 AM.
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Old 03-03-2014, 02:59 PM
ashewb ashewb is offline
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i have a 2011 and i just stream via bluetooth . seems to work ok
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Old 03-03-2014, 03:23 PM
flux45 flux45 is offline
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Mein Auto: 2011 335xi
Quote:
Originally Posted by ashewb View Post
i have a 2011 and i just stream via bluetooth . seems to work ok
The combox was added for later model 2011's, your production was after September '10.

I know this is a "throw money at it" solution, but this is exactly why I still own a 160gb iPod classic. You can get one off ebay or craigslist for pretty cheap if you dont wanna buy new.
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Old 03-03-2014, 08:14 PM
Go Navy Go Navy is offline
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Quote:
Originally Posted by flux45 View Post
The combox was added for later model 2011's, your production was after September '10.

I know this is a "throw money at it" solution, but this is exactly why I still own a 160gb iPod classic. You can get one off ebay or craigslist for pretty cheap if you dont wanna buy new.
Same here, except mine is an 80gb iPod Classic, which is ancient history but still runs fine. I just leave it in the armrest all the time. I consider it part of the car now.
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Old 03-04-2014, 11:29 AM
Vanos4:12PM's Avatar
Vanos4:12PM Vanos4:12PM is offline
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We don't know if the OP has I-Drive or not in reference to the streaming via Blue Tooth.
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