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7 Series DIY
Do It Yourself forum dedicated for 7 Series BMW Owners

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Old 01-13-2015, 09:34 PM
mike750li06 mike750li06 is offline
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Location: new york
Join Date: Jan 2015
Posts: 8
Mein Auto: 2006 750 li
2006 750 LI logic 7 amp question

So I picked up a 2006 750 LI today. Subwoofer under the passengers seat sounded really staticky but it was the only speaker in the car that was working- all the actual speakers wont make a sound.

From my research I concluded that its most likely a problem with the logic 7 amp but i could be wrong (am i wrong?)... so i took the amp out and took it apart, pulled off 2 of the capacitors from the amp to see if they were leaking or anything. Well, I broke the leads on the 2 capacitors and I know that I have to put the amp back into the car or else nothing else connected to the fiber optic system will work.

Would it be a really bad idea if I put it back in without the 2 capacitors that I broke? I'm sure that probably sounds pretty stupid but I really have no idea what capacitors really even do. Otherwise, where can I go to have someone put 2 new capacitors in the amp for me? Radio Shack or something? I don't really want to wait for new ones to be delivered if I have a choice.

Also do you guys agree with me that its most likely the amp thats causing my speakers not to work? If so, has anyone had any success installing an after market amp into your 2006 750? Thanks for your help.

Oh and I forgot, I fount one of these hooked up in the trunk: http://www.amazon.com/Kicker-ZXSUM8-.../dp/B003OUE5J0

Kindof confused what that is, is it just an aux input for the most part?

Last edited by mike750li06; 01-13-2015 at 09:47 PM.
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