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 drivability/fuel consumption and stock engine longevity.
here are some features of the Ecu Tuning software for the M5 :
-8400RPM limit (8500RPM optional)
-Removed top speed governor
-Reprogrammed torque management
-Reprogrammed throttle response
-Reprogrammed ignition, vanos and fuel parameters for optimum operation
The software is compatible with performance cat-back exhaust systems. Header software available upon request. Software available for both US and European specification cars.
Typical performance increase is +10hp and 10ft/lbs of torque with software alone. When you order this product, you will receive information on how to remove your ECU for shipment to a ESS reprogramming center near you.
ESS was founded 1995 in Aremark, Norway. The company started out with a yearly production of 30 SC systems, in 2004 total production passed 1000 SC systems making us the largest BMW supercharger system manufacturer in the world. From 2000 ESS started offering a constantly growing chip tuning selection for many european models based on our high expertise with Bosch and Siemes engine control systems. In 2002 ESS also started development of MB SC systems for certain top-end models and also matching accessories to a high power engine.
ESS have three goals to meet before any ESS engine related performance product is released for sale :
1. 60 hour computerized load dyno test, which simulates driving so hard that it is just not possible to drive this hard in real life.
2. ESS puts the development cars through a 50000 mile (80000km) long term test which involves track driving, high-speed Autobahn driving for extended periods, and normal everyday driving.
3. The car must have factory like or better driveability and smoothnes, and it must develop the extra power in a smooth and perfectly balanced manner.
Only after meeting these 3 goals with 100% success, and only then, the product is released for sale. And What Separates ESS From The Competition:
-Standard 2 year/unlimited mileage warranty on all street supercharging systems.
-Excellent technical support from trained, knowledgeable, and enthusiastic personnel.
-True OEM quality fit and finish, and designed to fit under the factory hood without any fabricating.
-Designed for maximum performance at safe boost levels on stock unmodified engines.
-OBD-II computer compatible.
-Fast service and support.
-100% complete systems, even down to the wire ties, making installation and ownership easy and trouble free.



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