How to connect BMW ICOM A2+B+C diagnostic system correctly

BMW ICOM A2+B+C wifi is the powerful OEM diagnostic system for BMW vehicle models. Misconnection would cause unnecessary problems. Here is the detail instruction on BMW ICOM diagnostic tool connection.

Fig1 below display the BMW ICOM A2+B+C accessories:
LAN cable
Laptop or computer
BMW ICOM Connection Guide
How to connect BMW ICOM A2+B+C correctly?

Fig 2 and Fig 3 explain the whole connection of BMW ICOM

Fig 2: BMW ICOM A2+B+C without WIFI connection
BMW ICOM A2 Connection

Fig 3: WIFI BMW ICOM A2+B+C connection
BMW ICOM A2 Connection

Connection Instruction:
1) Setup BMW ICOM A, ICOM B and ICOM C
BMW ICOM A2 Connection guide
BMW ICOM A2 Connection
2) Connect BMW ICOM A2+B+C main unit to the vehicle OBD port
BMW ICOM A2 Connection
3) Wait the indicator light on the main unit illuminates
BMW ICOM A2 Connection
4) Connect the ICOM with vehicle using LAN cable
5) Power on the computer and install software

BMW ICOM A2 without software:

See also BMW ICOM A2 Technical Support