N54: Minicat or Software

Holi

New member
Hi Ladies & Gents

Please assists me here, i wanna do a full decat on my 335i. Should i do minicats or software
which one has the best safe gains :blueCry:
 

bmsportzn135i

///Member
As said above, go full catless 3" downpipes.
Remove your midcats, have them replaced with resonators to stop and droning. Then either get software done or look into a jb4, with its free back end flashes.
 

KrS24

///Member
I suggest as a start you do a "mild" big turbo conversion. :rollsmile::rollsmile::rollsmile:
 
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