N55 Stage 2 Turbo
N55 Stage 2 Turbo
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The N55's factory twin-scroll turbo prioritizes efficiency over power—our Stage 2 hybrid tears down that wall with a larger compressor wheel and reinforced internals that push your single-turbo straight-six into serious power territory. This is the upgrade that makes N55 owners stop envying N54 twins.
Performance Gains
Expect 500-550 wheel horsepower with supporting modifications, compared to the N55's stock 300 wheel horsepower ceiling. The larger compressor wheel flows significantly more air while maintaining the twin-scroll efficiency, delivering stronger mid-range torque and extended top-end power. Peak boost targets of 22-25 PSI become sustainable with proper fueling and intake upgrades, transforming the N55's linear power delivery into something that pulls hard through redline.
Fitment
N55 (2010-2018): E82 135i (2011+), F20 M135i, F22 M235i, F30 335i, F32 435i, F10 535i (2011+), F15 X5 35i, F25 X3 35i, F87 M2
Installation & Supporting Mods
Professional installation is strongly recommended. Turbo R&R on BMW engines involves working in tight spaces with oil and coolant lines, and this custom manifold product requires experience with aftermarket turbo fitment. Lead time is typically 4-8 weeks as each turbo is made to order. For PWG models, we recommend an upgraded wastegate to handle the increased boost pressure reliably. Supporting modifications include upgraded intercooler, intake, downpipe, and fuel system—this turbo will expose weak points in your stock setup. Need help planning your build or stuck mid-install? Text us at 813.252.1025 — we will walk you through it.
Shipping
Free shipping to the lower 48 states. International shipping available — contact us for a quote.