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      10-04-2012, 01:59 AM   #14
wepio
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Drives: 2009 E92 335i M-Sport 6MT
Join Date: Sep 2012
Location: USA

Posts: 59
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Thank you both for the reply. I researched the forums a bit and found a thread to retrofit to the new combox. However, I haven't been able to find out of the retrofit uses OEM hardware, but with aftermarket wiring harnesses, or if it's a completely aftermarket combox. Secondly, how do I get MY2009 upgraded to MY2011.5 after the retrofit?

I don't fully understand why I can't purchase an OEM combox, and then get the wiring harness to mate the hardware.
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