This is the best resource for FI options in the BMW world: http://forums.bimmerforums.com/forum...play.php?f=150

There are no turbo kits available for the X5 but I would guess you could easily modify an existing 3 series kit to fit.

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2002 X5 4.6is - Titanium Silver / Black Alcantara - Dinan Stage 2 - Bilstein/Eibach - Brembo BBK ----SOLD---
1993 318i - Brilliantrot / Tan - bone stock daily driver