BMW 335i Performance Upgrades

Popular BMW 335i Upgrades•N54 Downpipes•N54 Blow-off Valve Kit•335i Signature Exhaust•Front-mount Intercooler•N54 Performance Software

335i (N54) Downpipes•Most popular performance upgrade for E9x BMW 335i•3” piping allows for better flow - while reducing heat & improving turbo spool speed•Will generate CEL without AA Performance Software

335i (N54) Blow-off Valve Kit•Dyno-proven & tested to handle 600+ HP•Replaces 2 smaller plastic valves•Handles excess pressure build-up against turbo compressor impeller blades

335i Signature Exhaust•Dyno-proven gains of 17+RWHP•Increases exhaust flow by 35% over stock•True x-pipe, anti-flex design

335i Front-Mount Intercooler•Eliminates heat soak creating increase in performance & consistency•For applications up to 550WHP•Creates more internal air flow than stock unit

335i (N54) Performance Software

•Gain 60+HP & 75+LB-FT over stock•Modified VANOS remapping to eliminate rough cold start•Elevated RPM limit in certain gears

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