DTUK FSR+ Tuning Box (F8X M3/M4)
DTUK’s latest petrol tuning methods allow the F80 M3 and F82 M4 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.
- 431 PS
- 550 NM
- 523 PS
- 640 NM
Available on back-order