DOC #CERT-0024-376A-795D
08.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
08.09.2026
BMW X4
F26 - 2014 - 2017 m40i 360HP 11359 Petrol
Original
360HP
500 Nm
Stage 1
400HP
580 Nm
+40 HP / +11% +80 Nm / +16%
Estimated Power and Torque Curve
Customer
Chassis
Date
Signature
Stamp
NOTICE: This document represents estimated values based on database information. It is not valid as official certification without the original handwritten signature and physical stamp of the authorized technician. Performance values may vary based on vehicle condition, fuel quality and operating environment.