Quote:
Originally Posted by Lozza47
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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Just did this, sounds great and for $200. Already got the Ghost subs and was greatly disappointed. They need more power sent to them to preform and didn't want to get into modifying the original system. Knowing what I know now I would go with the 8" Rockwell sub. It would be easier to fit and I have the 10" only turned on up about a quarter of the way.
https://www.bimmerpost.com/forums/sh...php?p=25326809