X5 & X3 Wiring Diagrams are listed at the top of the screen... 'Online WDS'

Good Luck. I have an 04 as well. Keep us posted on the mod.

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2004 BMW X5 4.4i Sterling Silver/Beige
2002 BMW 330xi Topez Blue/Gray
2001 MB CLK55 //AMG Quartz Blue/Ash
2001 Isuzu VehiCross Ebony/Gray
2006 Yamaha YZF-R1 Blue