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540i 1999+

  • $495.00 Choose Options E39 540i ME7 ECU Tuning Software
    ESS Normal Aspiration optimized ECU software is a result of 100's of dyno runs and exact calibration of all parameters to allow maximum performance gains with improved driveability/fuel consumption and stock engine longevity...
  • $495.00 E39 540i ME7 Steptronic Transmission Software
    Optimized steptronic transmission software, recommended for both for NA and Supercharged applications. Increases shift firmness under heavy acceleration and increases the transmissions capability to hold power during shifts...
  • $6,750.00 $5,900.00 M62B44tu VT1 6PSI Supercharger System
    The 99-03 M62tu VT1 6PSI supercharger system delivers unparalleled acceleration and everyday driveability matched with the reliability customers have come to expect from ESS. Countless hours of development and testing...
  • $7,700.00 $7,100.00 M62B44tu VT1 8PSI Supercharger System
    The 99-03 540i VT1 8PSI supercharger system delivers unparalleled acceleration and everyday driveability matched with the reliability customers have come to expect from ESS. Countless hours of development and testing have...

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