There was a marked improvement in audio quality when doing my Avin install as well. That truck did not have DSP though and this one does so the install will involve a lot more work/effort. Probably some sort of aftermarket DSP processor as well.

What the hell... it's only money right.

BTW: Mind if I hit you up in the future regarding some solar questions? I am looking to do a small (maybe 100w panels x3) array to power some attic fans and after doing some reading it can get a bit confusing.

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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)

2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)