Quote:
Originally Posted by 6MT4me
Just finished my upgrade, had to be done in 2 stages, replaced the speakers and added 2 JL audio amps, using the BMW head unit and it sounded "blah". Apparently, the head units signals are highly equalized and there is only so much that can be done to fix it, so, consideration of a din size unit was considered, Alpine, but I would have lost most of the bluetooth functionality. A Pioneer double din unit was fit with minimal structural change and included Navi and full bluetooth functionality. Sound is now what should be included in any 60,000 dollar automobile and better than what I hear in the enhanced system of the Z4 or my enhanced M3 sedan. Please note, no real room for an upgraded subwoofer without building an enclosure in the trunk. Pics will follow when I get a chance.
6MT4me
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Were you able to still use your original steering wheel controls?
Tony