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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > Hi-Fi Amp Dead, Logic 7 replacement possible?



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      03-31-2018, 02:45 PM   #1
FranticM3
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Hi-Fi Amp Dead, Logic 7 replacement possible?

Late last year the Hi-Fi amp in my '08 E92 got wet and died. I've been looking on eBay for a used replacement but the original HiFi amp from Lear seems expensive and hard to come by. L7 are less expensive and more available..

Question is, would the L7 amp be a plug and play replacement with just some coding of the CCC? Or is it more involved?

Even if it would work, I know there is a difference of 10 speakers vs 13, not sure if that would arise an issue with sound quality?

Any help is greatly appreciated, thanks!
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      03-31-2018, 02:51 PM   #2
ptpending
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best replacement for hifi amp is Bimmertech/Helix PP82DSP
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      03-31-2018, 02:57 PM   #3
FranticM3
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Quote:
Originally Posted by ptpending View Post
best replacement for hifi amp is Bimmertech/Helix PP82DSP
Not necessarily looking to upgrade the audio, just want to get it working again. I don't daily this car, so audiophile SQ isn't really a priority.
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      03-31-2018, 11:48 PM   #4
ctuna
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Logic 7 isn't all that great and would be a big pain in the you
know what to replace or upgrade. You can get a replacement amp on ebay for Hi Fi (The wiring is totaly different and the Logic 7 amp uses Fiberoptics for Input which you don't have in Hi Fi wiring
plus the harness is totaly different.)
but the bimmertech solution would be best or the older solution
is a Jl audio xd 600/6 with Technic Harness.

https://www.ebay.com/i/162887085622?chn=ps&dispItem=1

https://www.ebay.com/i/232497808392?chn=ps&dispItem=1

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.bmwmotorsports.org/pdf/e7...%20Systems.pdf
http://www.e90post.com/forums/showthread.php?t=343673
http://www.e90post.com/forums/showthread.php?t=138949
http://www.e90post.com/forums/attach...1&d=1209780605
http://www.e90post.com/forums/attach...1&d=1209780865
http://www.e90post.com/forums/showthread.php?t=641323
http://bmwcoders.com/forum/3-er-8/bm...1-e92-e93-291/
http://technicpnp.com/menuDiagrams/d...e90_92_93.html
http://www.musicarnw.com/page-2/
http://www.e90post.com/forums/attach...3&d=1169133185
http://www.e90post.com/forums/attach...4&d=1278871872

HI Fi upgrades
http://www.e90post.com/forums/showth...ighlight=level
http://www.m3post.com/forums/showthread.php?t=540446
http://www.e90post.com/forums/showth...hlight=technic
http://www.e90post.com/forums/showthread.php?t=532585
http://www.e90post.com/forums/showthread.php?t=833581
http://www.m3post.com/forums/showthread.php?t=443043
http://www.e90post.com/forums/showthread.php?t=324214
http://www.e90post.com/forums/showth...hlight=level+3

Last edited by ctuna; 04-01-2018 at 12:03 AM..
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      04-01-2018, 12:32 AM   #5
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Quick search I found this. Cheapest route, but if you want a better sounding upgrade get the xd600/6 amp with techtonic. There is a major difference in sound quality with the oem speakers especially the two 8 in underseat subwoofers.

https://m.ebay.com/itm/PL2-HIFI-Lear...IAAOSwsBtaJZ2Z
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