3 Steps to Code BMW E90N54 Injector via INPA 

Here is instructions on coding BMW E90 Injector with INPA software, easily to operate.

Equipments needed

BMW INPA K+CAN cable(cardiagtool.co.uk, $17.51)

INPA Software



Main steps:

You need to installINPA software onWindows XP laptop in advance.

Firstly,connected the INPA cable withE90 N54 via OBD port

Run INPA software.

PressedF9 on the keyboard to select vehicle model E90


Next select “Engine”->“MSD80…” option


Then press F9 system diagnostic


Next press [shift+F4] EOL injector


This is the interface of MSD80 injector coding program, Check the injector parameters


Thencopied and pasted the injector code, pressed OK to continue

Notice that the injector code are stamped onto the injector in white, there will be 2 rows of 3 numbers, for example: 582 227

BMW-INPA-software-8 BMW-INPA-software-7

Finally checked the injector value and press [clear] to reset it.