Microtronik HexTag programmer Repair BMW FRM3

October 14, 2019

Here share the guides and tips to repair BMW FRM3 by Microtronik HexTag programmer when error appears on EEPROM.

 

Video: https://www.youtube.com/watch?v=VnW0GdlhF30

Procedure:

Go to Hexprog Software main menu

This is Microtronik HexProg version 1.06, the latest version is V1.0.8

Select “On Bench Programmer”-> “BMW”-> “FRM”-> “FRM3 E Series”

microtronik-hextag-repair-bmw-frm3-1

Click on “Wiring”

microtronik-hextag-repair-bmw-frm3-2

Solder wires to FRM based on the wiring diagram using BDM cable below

microtronik-hextag-repair-bmw-frm3-3

Click on “EEE”->“Read”

microtronik-hextag-repair-bmw-frm3-4

Error on reading EEPROM shows the files in FRM3 is corrupted

microtronik-hextag-repair-bmw-frm3-5

Click on “P-FLASH” and then click on “Read”

microtronik-hextag-repair-bmw-frm3-6

Reading P-FLASH…

To check the communication with FRM you can try reading the P-FLASH

Note: Stop reading once we know it’s communicating

Click on “EEE” -> “Read” again

microtronik-hextag-repair-bmw-frm3-7

Click on “Repair”

A FRM Repair message appears on the Microtronik Hexprog screen

“This function is used to repair corrupted FRM EEPROM data. It will try to recover the original data from D-Flash, if it failed please contact Microtronik for help”

Click on “Repair” of the prompt to fix the corrupted files

microtronik-hextag-repair-bmw-frm3-8

Note: in this step, Hextag read D-Flash and convert it to EEPROM on the background

FRM EEPROM data has been repaired!

microtronik-hextag-repair-bmw-frm3-9

When it shows the FRM Repair prompt again, just close it

Now we can read EEE shows FRM is back to normal state

microtronik-hextag-repair-bmw-frm3-11

Please code FRM using Autothex after repair

Done!

http://www.obdiitool.co.uk/wholesale/hextag-programmer-with-bdm-functions.html