BMW F20/F22/F23/F30/F36 N55- TRS Performance Remote Tuning Dongle Model-X4 M40i B58 G02 Comprising a significantly larger 'tall

Comprising a significantly larger 'tall design' the STG2 Intercooler offers a greater cooling performance for a longer period when compared to the STG1 or Stock intercooler

A switch to S/M mode transforms the transmission and gives you shorter shift times + rev-matching downshifts without sacrificing comfort

Turn Ignition On

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BMW F20/F22/F23/F30/F36 N55- TRS Performance Remote Tuning Dongle Model-X4 M40i B58 G02 Comprising a significantly larger 'tallBMW N55 STAGE 1 & STAGE 2 TUNINGUnlock safe, repeatable performance with OEM level drivability. Quick Highlights Remote tuning via TRS Performance OBD Dongle Works through the My Flasher mobile app Custom calibration for your car + your fuel Datalogging + DTC read clear included The TRS Performance OBD Dongle is designed to be user friendly way of remote tuning via your mobile phone, simply read the stock calibration from your ECU using the on screen