Thursday, August 18, 2016

Disable BMW E46 DRLs with NCS expert OBD2 Cable step by step

Since there is no detail instruction on disabling BMW Daytime Running lights, I decided to make my own document. I am driving a BMW E46 1998 year.
Software & Hardware:
1). Using NCS Expert in BMW ICOM Rheingold ISTA-D ISTA-P software program and connect BWM ICOM A2+B+C diagnostic system
2). Download free NCS expert software and get it work on INPA K+DCAN cable
3) Old E46 has 20-pin diagnostic connector, so I need extra 20-pin to 16-pin cable.
Disclaimer:
The procedure works perfect on my E46, not sure if it works on other BMW models.
Instructions:
Open My computer
Open NCS Expert folder
Open work folder
Open a notepad “FSW-PSA.MAN” in WORK folder
Save the file
Open NCS Expert
Select File>>Load file
Select Renitor’s NCS Expert Profile


Press F1 VIN/ZCS/FA button
Press F3 ZCS/FA t.ECU
Select BMW model: E46, press OK


Select E46 ECU type: EWS, press OK
Press F6 Back
The system will display all available ECU
Press F4 Process ECU
Choose ECU: LSZ, click OK


Check ECU info in “Enter SGET data” windows, click OK
Press F5 Basic functions
Pull down the function list and select “coapReadSgGetFswPsw”, press OK


Change CBD name to LSZ.C27, press OK
Basic function perfect ended
Copy and paste “PSW-PSW.TRC” on WORK folder to desktop
Open “PSW-PSW.TRC” notepad
Select Edit tab
Look for file with “drl” and locate “FERNLICHT-DRL nicht_aktiv ”


Delete “nicht-”


Change “EINZEIT-DRL wert-01” to “EINZEIT-DRL wert-02”


Pull download the list and locate “TAGFAHRLICHT nicht_aktiv”, delete “nicht”


Pull down the list, locate “PROGRAMMPARAMETER-LSZ-1-10 ece” to “PROGRAMMPARAMETER-LSZ-1-10 us”
  • “ece-xenon” remains unchanged.
  • LSZ-11 and later remains unchanged


Save and rename the file as “FSW-PSW.MAN”
Copy “FSW-PSW.MAN” on desktop to WORK folder and replace it
Press F3 “Execute job”
Check if your daytime running lights are disabled
Follow the system prompt and then exit the BMW NCS Expert software

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