E-Sys coding guides
Everything about coding a BMW with E-Sys, in plain English. Free to read, no account needed.
BMW E-Sys coding: a beginner's guide
What E-Sys is, what you need, and every step from connecting to the car to coding your first change.
E-Sys cheat sheets
How to read a cheat sheet, apply a change safely, and why G-series settings show as a dot.
What is PSdZData?
Lite or Full, which version your car needs (I-step), and why newer packs no longer name settings.
Connect with an ENET cable or ICOM
Connection via VIN, gateway URL, ICOM/Ethernet on port 50160, DoIP, and what to check when no car shows up.
E-Sys error codes explained
C029, C074, C060, C045, C072 and more: what they mean and what to check first.
E-Sys MAX Quick Start Guide
Install E-Sys MAX, start the free trial, and make your first change with English names.
BMW coding in plain English
E-Sys MAX adds English names, ready-made changes, backups and coding history to your E-Sys. Free for 3 days.