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      12-02-2009, 08:35 AM   #10

Drives: A boring one...
Join Date: Oct 2008
Location: Australia

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2009 BMW 135i  [2.88]
The 10 speaker system would just have seperate tweeters in the rear which you wouldn't hear much. But I think the main difference is that the 10 speaker system has larger woofers under the seat?