Well this ought to be fun! Bone stock M54B30 and a decent size eBay turbo. I'll post updates as the build progresses. : r/e39
2000 BMW 330Ci E46/2 — Drives.today
BMW M52TU/M54 Full Turbo Kit — Hopwood Motorsport
BMW E46 M54B30 Turbo | We were really impressed with the power figures that this stockish M54B30 turbo conversion displayed on our dyno. Enjoy ! | By Vector Custom & Service | Facebook