Hi Fi Under seat sub upgrade
Hi all,
Does any one have any recommendations for the best direct fit under seat sub upgrade over Hi Fi sound system in m235i?
A lot of threads are based on improvements over HK system.
I won't be changing the amp either.
Alternatively, if you could only do one - would changing out the speakers or changing out the amp for something like bimmer tech's harness the best audio performance improvement?
I find the low 20-60hz area on the m235i to be no existent.
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2011 E92 M3 - Mineral White - Pure Edition I
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