Complete Guide on Different ECU Tuning Stages

-EDC15_rev1.3
-EDC16 tuning guide version 1.1
-EDC16C9_v1.4
-EDC17 Tuning Guide
-Magneti_Marelli_6JF_Tuning_Guide_1.2
-Motronic 1.7 guide
-Siemens MS41 Tuning Guide
-Tuning guide Citroen Xsara Picasso & Peugeot 206, 306 EDC15C2 v1.0
-Tuning guide Rover 75-MG ZT DDE4.0 or BMW E46 EDC15C4 v1.2
-VAG_EDC15P
-VP37 remap guide Rev 9