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Discussion Starter · #1 · (Edited)
Hi, everyone! I'm new to the forum, confused and hope someone can help. I just purchased a 2008 328i. A few questions: I thought I was purchasing with bluetooth but phone does not appear on my radio. If I don't have it, can it be installed? Also, my lender seems to think I have a premium sound system. It is BMW Professional (no Harman Kardon); my trade in had it (older model but MUCH better sound) Is BMW Professional considered Premium sound? It doesn't seem like it to me. Thanks so much for any help you can provide.
 

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Yes more marketing BS

Yes more marketing BS
There were two system that came to the US that year
the Premium system called the Hi Fi system which was the no pay for it option
and the HK L7 (Top Hi Fi ) was actually the top system.
Well there actually was an extra special system above that call the Individual
System for 2k which almost nobody has.

The Premium System I like to to call the mediocre system.
There is actually another system below this that is worse that the
rest of the world got for a no pay for it option in the rest of the world and in
the 2010 and early 2011 model years.

Bluetooth phone was an option in that year but it doesn't mean you have it.

Best to get a Vin printout from one of the free online BMW Vin checker to determine
your options.

I had an E46 with the HK stereo and I thought it was better than Hi Fi(Premium) system to.

There is and e90 stereo board here

http://www.e90post.com/forums/forumdisplay.php?f=27

also

BMW stereo types for e90's mostly
http://www.e90post.com/forums/showthread.php?t=352586
http://www.e90post.com/forums/attachment.php?attachmentid=350502&d=1266451970
http://www.e90post.com/forums/attachment.php?attachmentid=334282&d=1260829447
http://www.e90post.com/forums/showthread.php?t=343673
http://www.e90post.com/forums/showthread.php?t=138949
http://www.e90post.com/forums/attachment.php?attachmentid=151088&stc=1&d=1209780605
http://www.e90post.com/forums/showthread.php?t=641323
http://bmwcoders.com/forum/3-er-8/bmw-e90-e91-e92-e93-291/
http://www.e90post.com/forums/attachment.php?attachmentid=151087&stc=1&d=1209780865
electical e90 pdf
http://www.google.com/url?sa=t&rct=...dhOSc2JggwVqMGg&bvm=bv.60157871,d.cGU&cad=rja
http://www.google.com/url?sa=t&rct=...=Hx0XqNfe5pNZsCpGSZFnKg&bvm=bv.85464276,d.cGU
http://www.google.com/url?sa=t&rct=...=P2mzAf34AGpTkGZOPnfzzg&bvm=bv.85464276,d.cGU
http://www.musicarnw.com/page-2/
http://www.e90post.com/forums/attachment.php?attachmentid=406534&d=1278871872
 

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Bluetooth audio is an INPUT to the head unit (radio/CD), the Hi-Fi vs. L7 is an OUTPUT from the amplifier to appropriate quality speakers.

Bluetooth usually, in the E90, is a TELEPHONE interface to support phone calls with mic in the car and switches on the steering wheels and use of the audio to support phone calls; Bluetooth (in some but not all cars) also means 'A2DP' support for music transmission from phone to the headunit...even the newest F30 cars do NOT ALL support Bluetooth music.
 
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