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secondary air injection
High‑quality FMIC and upgraded chargepipe (factory plastics are failure‑prone)
Exhaust pressure and temperature strategy
For N54 + MSD80/MSD81 we calibrate:
Get the most out of your supercharged or turbocharged 1996–1999 BMW E36
09–13 E90 335D / E70 X5 35D M57N2 Diesel Tune – Stage 1/2/3 E36 secondary air injectionBMW 335d and X5 xDrive35d diesel ECU tuning for the M57N2 engine with Bosch EDC17CP09. Poverty Built offers staged calibrations for daily drivers, stronger street setups, and higher output off road builds. This is not a one size fits all file. During checkout, youll tell us the vehicle, emissions hardware status, swirl flap status, fuel system, transmission tune status, flash tool, and any known DTCs or hardware notes. We use that information to