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      02-07-2013, 10:12 PM   #1
ericfox11
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Adding a sub to 2009 E90 with Harmon Kardon

Hey guys,

I am planning to pick up a 335i this weekend and am pretty excited. In my old car I have a sub and amp that I was hoping to transfer to the BMW. The way I have it hooked up in my Cadillac CTS is using a PAC converter that just taps into the existing speaker connection and provides RCA outs to my amp. Other than that I just have power and ground wires run. Pretty simple.

With this BMW I have NO idea how to add a sub. I was kinda thinking I could just use the same PAC converter and tie it into the rear speakers and it would work fine (the PAC converter picks up the audio signal and converts it to RCA), but I am not sure since I have the Harmon Kardon sounds system.

I tried to search some but didn't find much. Thanks for any help you can provide on the best way to integrate a secondary sub/amp into the HK system.
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      02-08-2013, 05:03 AM   #2
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Originally Posted by ericfox11 View Post
Hey guys,

I am planning to pick up a 335i this weekend and am pretty excited. In my old car I have a sub and amp that I was hoping to transfer to the BMW. The way I have it hooked up in my Cadillac CTS is using a PAC converter that just taps into the existing speaker connection and provides RCA outs to my amp. Other than that I just have power and ground wires run. Pretty simple.

With this BMW I have NO idea how to add a sub. I was kinda thinking I could just use the same PAC converter and tie it into the rear speakers and it would work fine (the PAC converter picks up the audio signal and converts it to RCA), but I am not sure since I have the Harmon Kardon sounds system.

I tried to search some but didn't find much. Thanks for any help you can provide on the best way to integrate a secondary sub/amp into the HK system.
http://www.e90post.com/forums/showthread.php?t=581166
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      02-08-2013, 08:56 AM   #3
ericfox11
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Thank you!
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