DO88 Performance Charge Pipe. BMW 2′ M240i M240iX (G42) – Engine: B58 Gen 2 – 2021 onwards. BMW 3′ M340i M340iX (G20 G21) – Engine: B58 Gen 2 – 2018 onwards. BMW 4′ M440i M440iX (G22 G23 G26) – Engine: B58 Gen 2 – 2021 onwards. BMW 5′ 540i 540iX…