DOC #CERT-E640-F182-6D78
08.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
08.09.2026
BMW X4
G02 - 2018 -> xDrive20i 184hp Petrol
Original
184HP
290 Nm
Stage 1
250HP
440 Nm
+66 HP / +36% +150 Nm / +52%
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.