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      02-18-2020, 11:16 PM   #3
johnung
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Drives: 2015 BMW 335i x-Drive Auto
Join Date: Oct 2017
Location: New Jersey/Philadelphia

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Quote:
Originally Posted by jaydaman93 View Post
Hi all,

i am planning on upgrading my sound system from hifi system to either bavsound or bimmertech system. Any comments on which amp/speakers are best?
Also planning on doing it in steps. What would be the best bang for the buck to upgrade first, amp or stage 1 or underseat subs?
Don't believe the marketing from those companies. BMW speakers are fine. The weak point in the BMW audio system is the underseat subs and their limited size boxes.

I did a very specific upgrade which turned out fantastic. My wife and friends thought that I had changed out the entire audio system.

I used Earthquake subs which are made to work great in the small BMW boxes along with an AudioControl LOC/amplifier to separately power them. A custom harness from Technicpnp made it easy to wire up.

I've written a lot of detail about my project if you search. I don't have the links handy. Good luck!
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