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      11-26-2009, 01:37 PM   #69
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Drives: M3
Join Date: Jun 2008
Location: Torrance

iTrader: (11)

Originally Posted by pruitt68 View Post
Wow. Did not know that! I looked all over last night trying to find out what the deal was, thanks so much for your post. I now at least know where to look! Wish I would have known this before ordering my car, would have probably upgraded to the L7. Any recommendations on the best way to upgrade the system? Again, thanks for pointing me in the right direction.
I would think you can tap the wires at the back of the factory radio.
2015 M3 BPM Tuned, Eibach, Magnaflow and more
SOLD E92 Slēk Carbon Fiber Widebody M3
SOLD E92 335i Stage 3+ with all the toys
SOLD E39 M5 Modded, What a great car!