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      12-25-2012, 01:37 PM   #7
Major General

Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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The reason for recoding is to get rid of the Eq curve that comes with the base radio setup.(this is also done with a flattening processor like a cleansweep ) The details are in the above thread. Some do this with a processor but some try to take the load of the processor by recoding to Hi Fi which gives a flatter output from the Head Unit. If you don't want to use a processor at all just an amp then recoding to Hi Fi does the trick.

A lot of people like traditional stereo and regard the rear speakers as a waste so do not modify . If you like surround sound your opinion may differ but your ears don't point to the rear.

There is a list of speakers that fit and are commonly used
in the above link. You should study that link until you understand exactly what your possibility's are.

Last edited by ctuna; 12-25-2012 at 02:04 PM.