DOC #CERT-075C-9BB2-E6A4
12.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
12.09.2026
BMW 5 serie
E39 - 1995 - 2003 540i 4.4 V8 286hp Petrol
Original
286HP
440 Nm
Stage 1
300HP
460 Nm
+14 HP / +5% +20 Nm / +5%
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.