[dunkelweiss]

I have a MY 2010 328XI (production date 29-OCT-2009) with the base stereo HU, which I am trying to replace with a Sirius-capable HU. I bought a Sirius HU on ebay that was pulled from a MY 2011 car.

Here is my original HU:




Replacement:




Looks like a contrast adjustment to me, because when I look very closely at the display, I can barely make out some characters (although as you can see, it's unacceptably washed out from normal viewing distances). Trouble is, I don't know how to adjust contrast - and I'm not sure it's even possible.

Or is this fixable with coding? Might the replacement HU from a MY2011 car be incompatible with my MY2010?

Or is the replacement defective and if so, should I return it, or can it be fixed by replacing the LCD screen as so nicely explained here?
http://www.e90post.com/forums/showthread.php?t=635672

Thanks in advance for any guidance - this forum is the BEST!

[patents]

As a test turn off your headlights and see if that makes a difference.

[dunkelweiss]

Thanks for the response - I did. No difference. I should also add that I can hear the stations. Just can't make out the display - it's solid Amber.