Showing the single result

  • Sale!
    Uncategorized

    BMW 550i 4.4L Software Upgrade

    Vehicle:

    • BMW 550i 4.4L

    Enhancements:

    • Optimized Fuel Mapping
    • Optimized Timing Curve
    • Speed Limiter Removed
    • Improved Fuel Efficiency
    • Broader & Stronger Power Band
    • Lower RPM Hesitation Eliminated
    • Increased Turbocharger Response
    • In-House Engineered & Tested Results
    • Smoother Firmer Transmission Shift Patterns

    Note:

    This purchase includes an AMR Performance software upgrade and requires a scheduled appointment at AMR HQ

    -