Loading... Please wait...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. Removed top speed governor is included, and you have the option of stock RPM limit or up to 8400RPM.
Power is increased by 8-10HP when programmed for premium fuel (91US/96Euro).
Throttle response programming is improved over stock.
Factory VANOS mapping and torque parameters are re-calibrated to provide improved low / midrange power delivery and acceleration.
Euro software conversion is available for US cars with euro spec headers installed.
When you order this product, you will receive information on how to remove your ECU for shipment to a ESS reprogramming center near you. ECU's are return shipped within 24hrs excluding weekends and holidays.
Custom tuning available on request, VANOS timing programming for modified camshafts also available.
Application intended for: All Z4M from 2006 2007 2008
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