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E30 E34 Performance Chip

BMW performance engine software unleashes more horsepower by re-programming the fuel mixture and ignition timing parameters of the engine management system. Furthermore, the software raises the rev-limit, giving your BMW a broader power band and greater road speed potential in each gear. Significant gains are also achieved at part throttle, making extra power available where you spend the bulk of your time driving.

Peak Horsepower: +15 HP
Peak Torque: +15 LBS/FT
New Rev Limiter: +400 RPM
Was: $199.99
Sale: $149.99


Adds 15hp/15 ft/lbs tq!


Professional installation recommended. Includes installation instructions.


  • 15998
  • 15998
  • Custom
  • New

Shipping Information

  • Item Requires Shipping
  • $5.99