**Correction factor for drivetrain loss is 15% above RWHP as seen in dynograph (RWHP/0.85) Power rating is dependent on fuel quality.**
If you have any questions about this Stage 1 Performance ECU Software please give us a call at 714-582-3330
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Speak with one of our Mod Experts
We'll match or beat any competitor's price!
Some restrictions and exclusions apply.
Please see our full Price Match Policy for details.
Speak with one of our Mod Experts
We'll match or beat any competitor's price!
Some restrictions and exclusions apply.
Please see our full Price Match Policy for details.
![ESS N55 (E) Stage 1 ECU Performance Software for 2015+ BMW X5 [F85]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/1280x1280/products/31213/152213/_1459870580__12638.1583262156.jpg?c=3 "ESS N55 (E) Stage 1 ECU Performance Software for 2015+ BMW X5 [F85]")
![ESS N55 (E) Stage 1 ECU Performance Software for 2015+ BMW X5 [F85]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/500x659/products/31213/152213/_1459870580__12638.1583262156.jpg?c=3 "ESS N55 (E) Stage 1 ECU Performance Software for 2015+ BMW X5 [F85]")
WARNING: product may contain chemicals known to the State of California to cause cancer, birth defects, and/or reproductive harm.
For more information, go to www.P65Warnings.ca.gov.
DISCLAIMER: Products that affect or remove vehicle emissions equipment (Intakes, Manifolds, Tuners, etc) that do not have a CARB EO number may not be available for sale in the state of California. Please contact us if you are unsure if a product is available for sale in California. ModBargains complies with all EPA and CARB regulations.
**Correction factor for drivetrain loss is 15% above RWHP as seen in dynograph (RWHP/0.85) Power rating is dependent on fuel quality.**
If you have any questions about this Stage 1 Performance ECU Software please give us a call at 714-582-3330
|
![ESS Stage 1 Peformance ECU Software for 2015+ BMW X5 M [F85]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/500x659/products/36675/167253/_1459864571__94322.1583270524.jpg?c=3 "ESS Stage 1 Peformance ECU Software for 2015+ BMW X5 M [F85]")
Dinan
![No Longer Available - DINANTRONICS Performance Tuner Stage 1 for 2014+ BMW X5 & X6 - xDrive35i & sDrive35i [F15 & F16]](https://cdn11.bigcommerce.com/s-ldaxybx767/images/stencil/500x659/products/38531/173136/_1459859285__66652.1583273781.jpg?c=3 "No Longer Available - DINANTRONICS Performance Tuner Stage 1 for 2014+ BMW X5 & X6 - xDrive35i & sDrive35i [F15 & F16]")
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