1999 BMW 5-Series Performance Chips

    • DiabloSport®Trinity Analog Cable
      $24.99$19.99
      (0)
      BMW 5-Series 1999, Trinity Analog Cable by DiabloSport®. For vehicles with a tight amount of leg room, this accessory OBD II cable features a 90 degree bend to route the cable out of the way of your knees. Extremely useful for...
      # 26901029
    • DiabloSport®Trinity Suction Cup Mount
      $31.24$24.99
      (0)
      BMW 5-Series 1999, Trinity Suction Cup Mount by DiabloSport®. This is a replacement suction cup mount for all T1000 units. This item has universal fitment to all Trinitys and is a service replacement for lost or damaged suction cups.
      # 26901030
    • JET®Computer Upgrade Kit
      $374.06$299.25
      (0)
      BMW 528i / 540i 1999, Computer Upgrade Kit by JET®. Provides Increase Horsepower. Improved Acceleration. Provides Power Increase All The Time. Custom Program The Chip For Any Modifications. Provides All Materials Required To Safely...
      # 13545685
    Guides & Articles
    Are Superchips Really Super?Are Superchips Really Super?
    Although most automobile manufacturers try to achieve a balance between performance and emissions when the ECU is programmed, in reality more power can be obtained when certain engine control parameters are changed. Aftermarket superchips are made to adjust parameters to increase engine power and torque. The superchip gives a “boost” to your vehicle’s...
    The throttle controller will basically bypass the computer in the vehicle. It is designed to take the information right from the accelerator position sensor and compile it in a high speed controller circuit that compiles the signal sent from the Accelerator position sensors. With this controller you are able to program it to different options and the throttle...