WARMING THE ENGINE…
We know these engines down to the part number: the twin-turbo N54 and the B58 carry per-VIN tunes; the N55, S55 and S58 carry the hardware shelf each architecture actually wants. Air-to-air front mounts where the factory used them — water-to-air charge cooling where BMW built it into the manifold. Each page grounds its claims in fitment data, not in what's easy to sell.
Twin-turbo 3.0L inline-6 · 2007–2016
BMW N54 tuning and parts: per-VIN custom flash tunes (Stage 1–3), front-mount intercooler, charge pipes, coils, flex-fuel and downpipes — for 2007–2016 twin-turbo 335i, 135i and more.
Stage 1 · Stage 2 · Stage 3 — 16–18 psi to 22–28 psi
Single twin-scroll 3.0L inline-6 · 2009–2017
BMW N55 performance parts: front-mount intercooler upgrades, charge pipes, coils and mounts for the 2009–2017 single twin-scroll 335i, M235i and M2 — the last of BMW's air-to-air inline-sixes.
Parts support — calibration in development
Twin-turbo 3.0L inline-6 · 2014–2020
BMW S55 water-to-air charge cooling upgrades: top-mount charge cooler, front heat exchanger and coolant flow for the F80 M3, F82/F83 M4 and M2 Competition — the first of BMW's water-to-air inline-sixes.
Parts support — calibration in development
Single twin-scroll 3.0L inline-6 · 2015+
BMW B58 tuning and parts: per-VIN custom flash tunes (Stage 1–3), charge-cooler intake manifold with port injection, heat exchanger, catted downpipe and flex-fuel — for 2015+ 340i, M240i, Z4 M40i and more.
Stage 1 · Stage 2 · Stage 3 — 16–18 psi to 22–28 psi
Twin-turbo 3.0L inline-6 · 2019+
BMW S58 water-to-air charge cooling parts for the G80 M3, G82/G83 M4, F97/F98 X3 M/X4 M and G87 M2 — heat exchanger upgrades for the manifold-integrated charge-cooler architecture.
Parts support — calibration in development