what are ur performance mods evoo?
check out the sticky.
performance mods are listed in order.
intake has very minimal gains compared to the N54.
i'm sure with a larger turbo and intake will make sense.
the small turbo is tap'd out.
focus on tune and catless dp or for ur XI catless mid pipe.
then, fmic and meth.
what filter, or CAI were u think'n of?
FrankiE90 AKA:.[The TANK] *CLICK THE SIG
E90s (been gone but not forgotten) • KW clubsports • • • • • • • • • • 18" BBS GT4 // Build E30 (pending) + E46 M3 Wagon ESTORIL Blue