RD Sport ECU Upgrade - BMW 335i 07+

By controlling a variety of parameters such as boost pressure and timing advance, the current version of the Black Box delivers an additional 65 HP and 80 ft-lb of torque (based on 91 Octane fuel), bringing the performance of the current 335i Coupe in the range of the current V10-powered M5 and far beyond the outgoing E46 M3.

The installation of the Black Box is completely reversible, so the unit and harness can be removed just as easily as it was installed.

The Black Box is a self-contained ECU that works as a piggyback to the Siemens MS V80 DME control unit. The plug-and-play harness allow you to install the Black Box in a matter of minutes, and the unit itself slides into the open slot next to the Siemens DME.

Fits: BMW 335i E92 07+

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