The upgrade path I would like to follow is the following - it starts from 2009 335i sedan (e90) HiFi stereo:
1. Amp upgrade to JL XD600/6
2. Under seats woofers upgrade to SWS 8x / 8s / 8xi - I need to study more which version is more suitable
3. Front door speakers/tweeters to Morel Hybrid Ovation II or the new Morel Hybrid 402 released this year.
Note: I am also open to suggestions for different options.
Last edited by black335isport; 10-18-2012 at 05:53 PM..
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