BMW 750Li ECU reflashing by Autel Maxisys Pro MS908P

It’s an instruction on how to do ECU reflashing/programming/coding with Autel Maxisys Pro MS908P tablet and J2534 ECU programming device.

 

Note: so far, Autel MS908P is the only full diagnostic scanner supporting online ECU programming.

 

Model: BMW 750Li 2006

 

All operation (ready) for ecu programming:

 

Part 1 – connection issues

Step 1 – connection to voltage supply

Connect the car to a stable voltage supply

Make sure the battery clamps are properly fixed

Fully charge Autel MS908P tablet

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Step 2 – connection to network

Connect Maxisys pro to the Internet

Make sure the network connection is stable to ensure a successful ECU programming

Both wired & wireless connection is ok, using ethernet cable

Check the connection status icon to confirm the internet connection is successful

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Step 3 – connection to J2534 ecu programmer

Connect Maxiflash J2534 ECU programming device to MS908P using USB cable

Tighten the screws

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Step 4 – connection to the car

Connect Maxisys pro to the vehicle with OBDii cable

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Now, all connection complete

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Part 2 – ECU programming

Here goes the ECU programming on BMW.

 

Select Diagnostics n the main menu of Maxisys pro MS908P

Select BMW

Turn ignition off…wait 10 seconds…turn ignition on

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Tap OK and read out vehicle data

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Tap CIP (coding, individualizing and programming) for ecu programming

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Vehicle configuration

Read data and tap ok to go on. Edit button is available to perform customized SA configuration

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Make sure and delete vehicle data correctly

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Tap ok

Upon completion, tap ESC to exit

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Tap yes to save revised data

Maxisys is communicating with control units for a few minutes

Confirm whether any control unit has been replaced or not before programming

Tap yes or no accordingly to continue

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Select SIM for coding/programming

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Tap Selective update to reprogram a specific control module separately

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Or perform Complete update by selecting all modules

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Here, program SIM only

Tap OK for vehicle info

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Tap Execute measures plan to continue

Turn off ignition

Switch on terminal 15 (ignition)

Again, make sure of the stable network connection, and other connections to start reflashing

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Coded! Stored DTCs will be cleared

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Turn off ignition and remove the key with remote control from key slot (if provided).

Wait 10 seconds.

Insert the key with remote control and turn on ignition

Then go on the next action. All action will be done one by one automatically

Do not perform other tasks at the same time

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The system will generate a report after reflashing

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Tap End session to finish ECU reflashing/ programming

 

Reference : Autel MaxiSYS MS906 vs MaxiSYS MS908P vs Maxidas DS708

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About eobd21

I am a car lover and like to repair car by myself, and know more info about car diagnostic tool and other obd2 tools, share these info with everyone.
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