Originally Posted by mob17
A 1/4 gain sounds ok but maybe set them by ear if you can or a multimeter just so you have some reference points. Hopefully it will sound even better after a retune. Also, now that you have a partially amped system you may find this thread useful http://www.e90post.com/forums/showthread.php?t=709393
Yeah it feels good when you upgrade slowly, makes the whole experience last longer!
In quiks case he only has one pair of amped channels so no need to worry about finding his max on the xd. Simply use the test me u on ms-8 and level match the dls against the woofers