2009 528i
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=136689
Printed Date: May 10, 2025 at 8:18 PM
Topic: 2009 528i
Posted By: futurelead
Subject: 2009 528i
Date Posted: May 24, 2014 at 3:07 PM
need to add an aftermarket amp/sub to this car. the output to the rear and door spkrs appears to be crossed over ( no good for the amp source for bass ). this car doesn't have the subs under the seats. any one know where to pickup the signal for the new amp?
Replies:
Posted By: racerjames76
Date Posted: June 10, 2014 at 1:11 PM
It has been a while since you posted. Hopefully you have found your answer but I will share my wisdom in case it helps.
The amp should be located in the trunk on the driver's side under the side panel. There should be a left and right sub output regardless of whether you have a subwoofer or not. I can not seem to find the wire colors, but those are the only outputs from the amp that will work.
I know it is available through a google search, but I cant seem to find it now.
Hope that helps a little. Sorry for the late reply!
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To master and control electricity is perfection. *evil laugh*
Posted By: futurelead
Date Posted: June 11, 2014 at 5:57 PM
thanks, i did fix my dilema, i took my signal from the line outs at the deck, PS there were subs under the seats.
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