DOC #CERT-1158-71A4-968A
14.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
14.09.2026
Bentley Continental GT Speed
All 6.0 W12 Bi-Turbo 659hp Petrol
Original
659HP
900 Nm
Stage 1
680HP
950 Nm
+21 HP / +3% +50 Nm / +6%
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.