ESS Tuning - E-Flash ECU Performance Software - BMW E85/E86 Z4M

ESS E-Flash 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 8200RPM.

When ordering this product you will receive 1 ESS E-Flash USB-OBD programmer which will VIN lock to your car. This unit can be used to program between stock and tuned, and it can also be used to load custom files/race fuel files/updates received from ESS over email. Full diagnostic code reading and code clearing are available via E-flash.

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. SuperSprint stepped headers are not compatible. Custom tuning available on request, VANOS timing programming for modified camshafts also available.

Power is increased by 10-15 HP when programmed for premium fuel (91US/96Euro)

Features:
- Gains 10-15hp
- Top Speed Governor Removed
- 9000RPM RPM Limit
- Activation of gauge-shifter lights on 6MT models
- Unlocked dyno mode (Don't need Autologic/GT1 to dyno)
- Factory VANOS mapping and torque parameters are re-calibrated
- Fuel requirement: 91-93US/ 98Euro

Models Supported
BMW E85/E86 Z4M

To download the latest version of E-Flash software, click here.

WARNING: May contain items that are found to have compounds and/or chemicals known to the State of California to cause cancer, birth defects, and reproductive harm.
For more info, please visit https://www.P65Warnings.ca.gov.