The ESS Tuning E Tronic Tuner is a plug and play tuner available for the 550i, 650i, 750i, and X5 50i that are equipped with the N63TÜ Twin Turbocharged V8. The ESS Tuning E Tronic Tuner features a multi channel controller that has full integration with the factory ECU and requires no splicing of any wires anywhere in the ECU or sensors under the hood. The tuner fully supports all factory drive modes and has OEM like drivability even when set to maximum boost levels; in addition pre-set mapping and calibrations allow for out of the box great performance with no need to mess with tuning maps or complex settings. Maximum power and torque are rated at 520 & 550 respectively with the ESS Tuning E Tronic Tuner, a significant increase from stock.
The tuner requires no other performance parts to work however additional gains can be seen with a free flowing exhaust and an intake. Contact us to place your order today and schedule installation!