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Some questions on this topic. So, I have an e93 with L7 and satnav but no Bluetooth. Finally found the post about where the MOST junction box/hub is. It’s Behind the rear passenger drivers side arm rest panel. My car has only one TCU white plug in the trunk and I’m not yet sure if I’ll find a blue MULF plug. I thought all the wiring harnesses were the same across all e90 cars (could be wrong) Anyone know if some cars might have the only the TCU harness (single white plug)?
if I install a combox, does the existing satellite radio box in the center of the trunk get disconnected? If so, assuming I put a MOST terminator loop on that connector
Where is the pre-wiring located for a CD changer on the e93?
Is it also necessary to access the MOST junction box and futz with those pins and wiring anytime you convert to the combox?
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