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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > Logic7 Sounds System. how good? vs stock stereo.



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      10-08-2011, 01:28 PM   #67
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At least we know he knows how to search
Yeah, I'm linking every post with "I've searched and can't find anything" back to this thread.
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      12-24-2011, 04:34 AM   #68
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Happy holidays! I'm looking at purchasing an '08 E90 335i, my BMW dealer says one CPO car (otherwise identicle '08s except one has the heated front seats, both have SPORT and PREMIUM pkg. - which I want, both cars have the same exact color combo) on the lot has "premium sound system" and another has the "LOGIC 7" system, is there a difference ? They seem to think so. I am aware that LOGIC 7 has subwoofers under the front seats, are those easy to see so I can confirm it has L7 ? I am deciding on a car soon probably, and I'd like to have the Logic 7 system, does the head unit look any different or do they all say "BMW PROFESSIONAL" like my E92 ? Thanks. The dealer's option list shows that both cars have sound system option code 0677 which should be L7, AFAIK. One of the cars was made in autumn of '07, the other in early '08, both are '08 models though. Thanks.
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      12-24-2011, 08:33 AM   #69
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Quote:
Originally Posted by Rennsport1 View Post
Happy holidays! I'm looking at purchasing an '08 E90 335i, my BMW dealer says one CPO car (otherwise identicle '08s except one has the heated front seats, both have SPORT and PREMIUM pkg. - which I want, both cars have the same exact color combo) on the lot has "premium sound system" and another has the "LOGIC 7" system, is there a difference ? They seem to think so. I am aware that LOGIC 7 has subwoofers under the front seats, are those easy to see so I can confirm it has L7 ? I am deciding on a car soon probably, and I'd like to have the Logic 7 system, does the head unit look any different or do they all say "BMW PROFESSIONAL" like my E92 ? Thanks. The dealer's option list shows that both cars have sound system option code 0677 which should be L7, AFAIK. One of the cars was made in autumn of '07, the other in early '08, both are '08 models though. Thanks.
The quick tell-tale for logic 7 is whether the car has a center speaker grill in the middle of the dash.

Chances are both these cars have the logic 7 system. Other deciders that you may be interested in are do the cars have satellite radio tuners and Ipod interface. Those could be the deciders if you are making your decision based on the audio system.
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      12-24-2011, 08:51 AM   #70
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Quote:
Originally Posted by Rennsport1 View Post
Happy holidays! I'm looking at purchasing an '08 E90 335i, my BMW dealer says one CPO car (otherwise identicle '08s except one has the heated front seats, both have SPORT and PREMIUM pkg. - which I want, both cars have the same exact color combo) on the lot has "premium sound system" and another has the "LOGIC 7" system, is there a difference ? They seem to think so. I am aware that LOGIC 7 has subwoofers under the front seats, are those easy to see so I can confirm it has L7 ? I am deciding on a car soon probably, and I'd like to have the Logic 7 system, does the head unit look any different or do they all say "BMW PROFESSIONAL" like my E92 ? Thanks. The dealer's option list shows that both cars have sound system option code 0677 which should be L7, AFAIK. One of the cars was made in autumn of '07, the other in early '08, both are '08 models though. Thanks.
Logic7 system was standard in the MY2008 335i.
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      12-24-2011, 11:45 AM   #71
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FYI

BMW stereo types
http://www.e90post.com/forums/showthread.php?t=352586
http://www.e90post.com/forums/attach...2&d=1266451970
http://www.e90post.com/forums/attach...2&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/attach...2&d=1260829447
http://www.e90post.com/forums/attach...1&d=1209780605
http://www.e90post.com/forums/attach...1&d=1209780865
http://www.musicarnw.com/page-2/
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      12-24-2011, 01:29 PM   #72
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Thanks all. I've learned a bit more. Yes Logic 7 (and I am aware that "L7" is also a sweet 1st gen Turbo 7 Series bimmer - there are several around here in Dallas - gray market cars - I had a nice Anthracite/Natur '82 733i many years ago - wish I'd known about L7s at the time of that purchase) was std. for '08 on all U.S. market 335i cars, BUT if either the Satelite Radio (655 ?) or HD Radio (653 ?)options were selected, then the Logic 7 was not installed and substituted with a "Premium" NON LOGIC 7 sound system without the 7 channel coding DSP and less speakers and no subs under the seats, so... for those cars, is this correct ? Thanks. It seems that quite a lot of 335is do not have L7 due to these conflicted options. I don't like how satellite radio sounds anyway - usually very tinny and weird. Appreciate the replies, this is a good forum.
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      12-24-2011, 01:41 PM   #73
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L7 did not exist before 06 in 3 series I believe

It wasn't and option in 01 when I bought a 330. The technology
a product of Harmon Kardon for surround sound in home entertainment
systems was adapted to cars later. Some would argue that its not a real High Fidelity Solution for car stereo and they might be right. The Premium or High Fi system does have underseat Woofers but the amp is so weak in that system they don't do much. Read the links for specs. The High Fi System is the easiest to modify .
I don't think adding options to the L7 would cause it to be deleted but I could be wrong.
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      12-24-2011, 02:50 PM   #74
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I've seen plenty of logic 7 cars with sat radio, and I strongly suspect your information is wrong. I see no reason that a logic 7 car couldn't have HD radio. And ALL 2008 US cars, whether they have Premium or HiFi, have woofers under the seats. Keep reading.
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      12-24-2011, 07:06 PM   #75
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Quote:
Originally Posted by ctuna View Post
It wasn't and option in 01 when I bought a 330. The technology
a product of Harmon Kardon for surround sound in home entertainment
systems was adapted to cars later. Some would argue that its not a real High Fidelity Solution for car stereo and they might be right. The Premium or High Fi system does have underseat Woofers but the amp is so weak in that system they don't do much. Read the links for specs. The High Fi System is the easiest to modify .
I don't think adding options to the L7 would cause it to be deleted but I could be wrong.
This thread is 5 yrs old.
Logic 7 existed since 2004, but not in the 3 series.
Z4's used the Carver system which sounds much MUCH better than the Logic 7 system in the e90 hands down. (subs behind the seats instead of under the seats as well.)
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