DTUK FSR+ Tuning Box (E8X 135i – N55)

£459.00

DTUK’s latest petrol tuning methods allow the N55 turbo E8x 135i 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:

  • 306 PS
  • 400 NM

Tuned performance:

  • 344 PS
  • 470 NM

Available on back-order

SKU: FSR+135iN55 Categories: , , ,