Quote:
Originally Posted by zedd4
Hi folks - first post - I want to upgrade the pretty useless standard stereo in my Z4, and after reading several previous threads both here and elsewhere, I think the most effective first step will be to add on the missing tweeters from the standard setup followed by an amp install. \
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I would suggest to start and add a subwoofer plus amp. The tweeters will not improve the sound quality, especially the tweeters BMW installs. The next weak link is the head unit followed by the 4" front and rear speakers.