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ESS 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.
Part number: 101-18
Horsepower: 225DIN (Stock 177)
Torque: 540NM (stock 400)
Installation is done through a ECU flash update.
Application intended for: BMW E60 E61 525d from 2004, 2005, 2006
Posted by Jean-Pasqale (Sweden) on 3rd Aug 2010
The car feels like a different car after my upgrade at ESS in Norway. Very good service and proven expertise.
Car was driven and checked before tuning and tested after tuning. Driving home that day with the upgrade in the engine was amazing. Seen no other tuners, better service, products and value for money.
I will drive the car on dyno next week to measure the result.
Thanks and see you soon again!