[sirdaft1]

Originally Posted by YouAreMyWorld

I don't think I can link it, but google "Speedtech N55", should be the first link. Stage 3 Turbo Kit for the N55, currently only for F Series. Pretty sure that once they release the E-Series, it should bolt right up to your X5 without issue. You can always send an email to Jeff, at Jeff@speedtech.com just to make sure.

600whp+, $4500, spool by 3,000rpm, what more could you want?

(p.s: Unless you send in your core for Pure Stage 2's, it will cost just as much as Speedtech's offering!)