DOC #CERT-42B3-C188-2004
12.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
12.09.2026
BMW X3
G45 - 06/2024 -> ... M50 xDrive 398hp Petrol
Original
398HP
Nm
Stage 1
HP
Nm
+-398 HP / +-100% +0 Nm / +0%
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.