This is my X5. Not too many mods so far, just tint (limo in back, 20% on drivers and passenger's windows) and audio.
Head Unit: Eclipse AVN7000
Speakers: JL XR Series Components Front at Back
High End Amp: Alpine 100X4
Subwoofer: JL8W7
Sub Amp: JL 250/1v2
I build a custom fiberglass box to house the sub in the left storage compartment. Pics below
Before:(after removal of stock CD changer and Amplifier)
Don't forget your respirator!
First Layers of Glass:
Final Product:
