E46Fanatics - View Single Post - Let's DIY aux input cable.
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Old 05-08-2009, 02:28 PM   #209
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Join Date: Feb 2006
Location: London UK
Posts: 1,234
My Ride: BMW 335i 2007 Coupe
Originally Posted by tom @ eas View Post
Here's how:

1. Turn Radio Off.
2. Turn Radio On.
3. Press and hold the "m" button for about 10 seconds.
4. Press < or > to navigate, you will need to go to the 2nd screen to look for the SW Verison which is in a SV xx-xx xx format.
5. To be Sirius/AUX or XM compatible, the radio must be SW 43 or higher.
6. Turn radio off to exit.

The MODE button is not a good enough of an indicator to check if a radio is AUX or Sirius compatible. It needs to be manufactured 09/02 or later.
How do you find out SW version on business CD. Holding down my M button does nothing, apart from put it into Manual mode.
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