Connect Autel AP200 to BMW Z4 obd port
Build connection between your mobile phone and Autel AP200 diagnostic tool by bluetooth
Then click “Service”
Select “Injector” function–>”BMW”
Select “Automatic selection”
Wait for vehicle identification
Select “Hot Function”
Select “Determining the injectors”
This service function is used to determine which injectors are to be installed.
Relevant engines are N20,N26,N55,S55,N63T…
It will show you the injectors required
The stored adjustment values are read in the next step.
Note:Depending on the version,either an injection quantity compensation is carried out or a low quantity adaptation is initiated with this service function.
The procedure is the same in both cases.
The stored values were read out:
Should the adjustment values from a replaced engine controller be adopted?
Now select F1:The adjustment values are read out from the injectors and entered
Select:F4 Enter new adjustment values
Input which cylinder (1-4) should a new value be entered
And enter new value for following cylinder:Cylinder 1
Then repeat above procedures for cylinder 2-4
Click F2:Save adjustment value
Switch off terminal 15 and terminal R
Adjustment value currently stored in the engine control.
Switch on terminal 15,click “Continue” button
Now back to select F3:Read out adjustment values
It show you the value you adjust just now