DOC #CERT-E976-4FCB-D8AA
07.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
07.09.2026
BMW 5 serie
E39 - 1995 - 2003 520D 136hp Diesel
Original
136HP
280 Nm
Stage 1
168HP
348 Nm
+32 HP / +24% +68 Nm / +24%
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.