DOC #CERT-3E85-3C4F-7670
08.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
08.09.2026
BMW 1 serie
E87 - 2004 - 2007 135i 306hp Petrol
Original
306HP
400 Nm
Stage 1
370HP
500 Nm
+64 HP / +21% +100 Nm / +25%
Estimated Power and Torque Curve
Stage 2 Available
390 HP / 520 Nm
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.