In this article, we are going to show you how add a key for BMW F20 F21 with FEM module.
Step 1. Program FEM
Disconnect car battery.
Remove FEM module.
Take out PCB.
Enter IMMO programming menu of BMW FEM/BDC.
Read FEM data by clip adapter.
Turn on test platform.
FEM in service mode, and pre-configurated.
Write chip by clip adapter.
FEM programming complete.
Step 2. Add Key
Go back and enter “Prepare dealer key with ignition switch”.
Insert original key into coil of test platform.
Then insert new key into coil.
Step 3.Install back and test
Restore FEM and connect battery.
That’s how to add a keys for BMW F20 F21 FEM using VVDI Key Tool Plus.