BMW 335i ECU Reflash for N54 Engines. Feel an instant increase in power with your new ECU tune.
Gains 60-70 whp
Adjustments to Fuel/Ignition Curve/Boost Levels/Throttle Mapping
We offer two options for your BMW 335i ECU Reflash:
*All Mase Flash Products are intended for off road use only. *
Category: bmw, bmw 3 series (e90), bmw 335, ECU Tune, Flash, Mase, Performance
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