Hi!
http://www.seicane.com/cheap-all-in-one-android-4-4-4-2000-2007-bmw-x5-e53-3-0i-3-0d-4-4i-4-6is-4-8is-radio-replacement-with-sat-nav-system-1024-600-hd-touch-screen-cd-dvd-player-3g-wifi-bluetooth-music-obd2-mirror-link-aux-steering-wheel-control-mp3-mp4-k753
This unit you've inquiried about can fit your car.
please place order directly on our website
Yes,it can work with your DSP.
Yes,it will come with the package.
It has built-in amplifier and this amplifier can drive four speakers of your original car (FL, FR, RL, RR).If you need all the speakers work, you can add an amplifier. most customes are satisfied with the sound quality
Tara: and have not added the amplifier. If you need detailed installaton instruction for the amplifier we can send to you, it is easy.
Thank you!
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Seicane