DTUK FSR+ Tuning Box (F20/F21 M135i 320PS)


DTUK’s latest petrol tuning methods allow the F20 and F21 M135i to benefit from their highly advanced FSR+ multi-channel tuning technology.

The FSR+ tuning box simply plugs into existing connectors using the supplied loom and gives you an instant performance boost, by controlling multiple signal channels from numerous sensors.

Dyno-proven software written in-house at DTUK HQ. Smooths throttle response and driveability, improves fuel economy and gives great performance increases.

Standard performance:

  • 320 PS
  • 450 NM

Tuned performance:

  • 360 PS
  • 506 NM

*326PS model dyno graph shown.

Available on back-order

SKU: FSR+F20M135i Categories: , , ,