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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Alpine Upgrade + Logic 7 Subwoofers



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      12-22-2014, 11:47 AM   #1
rav.k
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Alpine Upgrade + Logic 7 Subwoofers

Okay so I've finally decided to upgrade my sound from the standard base stereo in my car. Hoping to go with the Alpine Kit with some Logic 7 subwoofers.

Alpine Kit is easy to source, if i'm right I believe there are 2 kits, one for cars built before 03/2009 and on for car built after.

But can someone tell me if any logic 7 subs will fit or do they have to be pre-lci? and are they plug and play to switch over? Sure I read somewhere before that some of the subs have pin connectors and others don't, struggling to find more info on them
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      12-22-2014, 12:01 PM   #2
richk84
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I've just done this upgrade and it's great!

From what I read, pre-LCI cars can keep there original sub enclosures and you can just swap out the actual subs. If you have an LCI car you need the sub with enclosure as the newer ones are glued and can't be separated. This was for e92/e93
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      12-22-2014, 12:05 PM   #3
rav.k
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Quote:
Originally Posted by richk84 View Post
I've just done this upgrade and it's great!

From what I read, pre-LCI cars can keep there original sub enclosures and you can just swap out the actual subs. If you have an LCI car you need the sub with enclosure as the newer ones are glued and can't be separated. This was for e92/e93
What did you in regard to yours? swap the whole enclosure or keep original enclosures and just swap out the subs?
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      12-22-2014, 12:22 PM   #4
richk84
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My car is an LCI, so I needed L7 subs with enclosures as I couldn't use my existing ones
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      12-22-2014, 12:38 PM   #5
rav.k
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Quote:
Originally Posted by richk84 View Post
My car is an LCI, so I needed L7 subs with enclosures as I couldn't use my existing ones
ohh, were those logic 7 subs out of an lci aswell tho? swear I bought a spoiler off you in summer and you had a pre-lci
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      12-22-2014, 12:52 PM   #6
rav.k
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I've seen a set of Logic 7 subs with enclosures taken out of a 2012 e92 for sale.

Can someone please confirm if these will work in my 2008 e92!?
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      12-22-2014, 02:00 PM   #7
richk84
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Quote:
Originally Posted by rav.k
Quote:
Originally Posted by richk84 View Post
My car is an LCI, so I needed L7 subs with enclosures as I couldn't use my existing ones
ohh, were those logic 7 subs out of an lci aswell tho? swear I bought a spoiler off you in summer and you had a pre-lci
Ahhhh yes you did!

I changed it at the end of the summer, was fed up with the manual so changed for a 2012 e92 with a auto box
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      12-22-2014, 02:15 PM   #8
rav.k
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Quote:
Originally Posted by richk84 View Post
Ahhhh yes you did!

I changed it at the end of the summer, was fed up with the manual so changed for a 2012 e92 with a auto box
sounds decent!

btw did you install the alpine kit yourself?
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      12-22-2014, 02:31 PM   #9
richk84
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Quote:
Originally Posted by rav.k
Quote:
Originally Posted by richk84 View Post
Ahhhh yes you did!

I changed it at the end of the summer, was fed up with the manual so changed for a 2012 e92 with a auto box
sounds decent!

btw did you install the alpine kit yourself?
Yep I installed it myself. The later Alpine kit is plug and play though. Did it over a weekend. Are you going to try it yourself?
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      12-22-2014, 04:31 PM   #10
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I bought the later alpine kit with the plug and play connectors by mistake and my car is a pre lci so have to cut the connectors off, don't think its a big deal to do but haven't done it yet. Also if you do it yourself, be sure to route the cables the shortest way possible as mine werent long enough the first time I tried😠(thanks to Sam for the heads up)!
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      12-23-2014, 06:15 AM   #11
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You can reuse the woofers enclosure on LCI no problem, they are glued alright, but taking them off is not too bad with a big knife/flat screwdriver.

As for Alpine amplifier and Logic7 speakers, they are quiet poor.
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