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      04-09-2008, 05:16 PM   #19
Rev2Liv
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Drives: E90 330i soon
Join Date: Apr 2008
Location: BOS

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PM'ed you, but since this will eventually turn into a DIY, for background, how similar is the electronic component topography to that of an E46.

On the E46, the navigation computer was in the trunk, cd player sat behind the 16x9 widescreen and the radio/audio control module model BM53 plugged in somewhere along the way.

IS the E90/92 th same in that the double DIN gps computer/cd player requires a audio/radio module (brain) to manage the radio? Is it model BM53 or BM54?