Active Autowerke Active-8 Tuning Box for F3X 335i/435i - N55
FEATURES:
Included bracket for discrete installation Waterproof housing No wire splicing Easy to install
PERFORMANCE SPECS:
HP Gains: 50+ WHP over stock Torque: 47+ ft-lbs of torque
Active Autowerke Tuning Box Benefits
-
More than just an aesthetically appealing accessory, our Active-8 Tuning Box serves many purposes. Our box becomes the new brain of your BMW’s ECU making factory settings a thing of the past. Our Active-8 Tuning Box works exclusively with the N55 engine to optimize performance. Improved overall drive ability, fuel economy and unleashing the true capability of the N55 engine. It is also sealed to withstand any sort of weather conditions that might damage your precious BMW software.
Active Autowerke BMW Software Installation
-
Installation couldn’t be easier. Our Active Autowerke Active-8 Tuning Box installs in about an hour and is easily reversible just in case you have a change of heart. Like any Active Autowerke BMW software installation, the process itself is very simple. Just purchase the tune, and the box comes along with it so that you can easily plug it into your BMW’s ECU wiring harness.
How to tell if you need a V1 or V2 harness:

