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      04-18-2012, 02:12 AM   #6
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Drives: X3 F25 20d, Alpine White
Join Date: Oct 2007
Location: Sydney, Australia

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Originally Posted by OOOSQ View Post
Speaker size does not vary from what I understand. Biggest difference is speakers and amps themselves along with tweeters located in the front pillars.
From what I can tell, and speaking to a local installer, the wiring is NOT in place. Apparently a lot of the euro manufacturers have done this for a while to save money - also explains why you can't dealer upgrade them.

Also, I poked my head in the hole where the amp would be and there are no tell-tale dangling connectors sadly.

I guess you can by the door trim that has the tweeter cutouts and fill with your own choice, but you'd need to do the wiring yourself.

It's a pro-job for me I think - the installer I spoke to recommended replacing the standard 4" units with Focal's, but said there would still be no midbass.