B58 Gen 2 (Tuning)
Tuning verified for the B58 Gen 2: JB4 piggyback tuners, MHD and bootmod3 flash tuning. Fits the 2019+ GR Supra, Z4 M40i, M340i/M440i, G42 M240i, X3/X4 M40i and X5/X6/X7 40i; every product page lists the exact chassis and years.
Tuning verified for the B58 Gen 2: JB4 piggyback tuners, MHD and bootmod3 flash tuning. Fits the 2019+ GR Supra, Z4 M40i, M340i/M440i, G42 M240i, X3/X4 M40i and X5/X6/X7 40i; every product page lists the exact chassis and years.
