DOC #CERT-60F8-1F9B-81ED
15.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
15.09.2026
BMW XM
2022 -> ... Red Label 4.4 Bi-Turbo V8 748hp Petrol
Original
748HP
1000 Nm
Stage 1
900HP
1100 Nm
+152 HP / +20% +100 Nm / +10%
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.