M340i/M440i Tuning

Performance tuning upgrades for the BMW M340i / M440i (G20–G26). Every part listed here fits your car.
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  • JB4 BMW B58 Gen3

    JB4 BMW B58 Gen3

    Burger Motorsports

    JB4 BMW B58 Gen3
    $699.00
  • JB4 BMW B58 GEN1 & GEN2

    JB4 BMW B58 GEN1 & GEN2

    Burger Motorsports

    JB4 BMW B58 GEN1 & GEN2
    $599.00
  • MHD Super License for BMW B58 (F and G series)

    MHD Super License for F+G Series BMW B58 Engine

    MHD Flasher

    MHD Super License for F+G Series BMW B58 Engine
    $570.00