I've been strongly considering going back to my stock headunit since I got my MS8. Ireally like the way everything looks in the Bimmer with the oem hu installed. The question is.. Will I lose SQ this way? I'm currently running an Alpine CDA-9815 and really like the headunit! But with the MS8 I'm not using any of the features that the Alpine offers. Also I've heard that if you remove the stock amp that it messes with the ability to use the stock changer? I've been using a 12 disc Alpine changer for some time. This is a 99 528i. Anyone have some first hand knowledge of this? The stock amp was removed long ago and replaced with a 900/5.