G-POWER_440i_Gran _Coupe_F36_GP_40i_Limited_Edition (5)

420HP G-Power BMW 40i Tune Juices M240i/340i/440i Sixes

Anyone who has hung on for the wild run of the rev-counter in the latest-gen BMW B58B30 motor knows it is a serious rocketship. Seemingly endless torque and a redline-craving character make it a special engine indeed.  So imagine taking it up to crazy levels!  This ECU reflash-based powerkit achieves over 400HP with just electronics and a new exhaust out back. Full details below the gallery! G-Power BMW 40i Tune  for M240i/340i/440i G-POWER GP 40i Limited Edition: Exclusive customization for the BMW M140i/M240i and 340i/440i The B58B30 in the 40i models is undoubtedly the spearhead of the latest gasoline powered …

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