Why you need to reset or replace airbag tool?
BWM airbag sensor after car crash and airbag deployment can by locked (Control unit faulty) and
must be replaced. Even after small accident Airbag sensor will write in internal memory special
error message "crash data stored" or “computer fault” and after you need to exchange very
expensive sensor to new one.
What is best for airbag reset?
You are advice the new Carprog airbag reset tool, not the old one
New airbag reset tool vs old airbag reset tool
+/- supported units ZAE, MRSZ, MRSZ3, MRSZ4 (not all)
+ supported units BAE, ZAE, ZAE2, MRSZ, MRSZ2, MRSZ3, MRSZ4
How to use new CarProg for BMW Airbag ECUs?
1- BAE
No need to remove from car!
EEPROM read/write, Crash Data clear, Error
Memory read/erase.
Pin 9 – K line
Pin 5 - +12V
Pin 6 - GND
2- ZAE
No need to remove from car!
EEPROM read/write, Crash Data clear, Error Memory read/erase.
Pin 9 – K line
Pin 5 - +12V
Pin 6 - GND
3- ZAE2
No need to remove from car!
EEPROM read/write, Crash Data clear, Error Memory read/erase.
Pin 9 – K line
Pin 5 - +12V
Pin 6 - GND
4- MRSZ
No need to remove from car!
EEPROM read/write, Crash Data clear, Error
Memory read/erase.
Pin 9 – K line
Pin 5 - +12V
Pin 6 - GND
5- MRSZ2
No need to remove from car!
EEPROM read/write, Crash Data clear, Error
Memory read/erase.
Pin 9 – K line
Pin 5 - +12V
Pin 6 - GND
6- MRSZ3 - Temic
EEPROM read/write, Crash Data clear, Error
Memory read/erase.
Pin 9 – K line
Pin 5 - +12V
Pin 6 - GND
7- MRSZ3 - Bosch
No need to remove from car!
EEPROM read/write, Crash Data clear, Error
Memory read/erase.
Pin 9 – K line
Pin 5 - +12V
Pin 6 - GND
8- MRSZ4 - Temic
No need to remove from car!
EEPROM read/write, Crash Data clear, Error
Memory read/erase.
Pin 9 – K line
Pin 5 - +12V
Pin 6 - GND
9- MRSZ4 - Bosch
No need to remove from car!
EEPROM read/write, Crash Data clear, Error
Memory read/erase.
Pin 9 – K line
Pin 5 - +12V
Pin 6 - GND
Using these pictures you can erase airbag “on the table” – you must connect GND, +12V,
and Diagnostic line between airbag sensor and BMW Airbag Eraser, connect power supply to GND and +12V and use Eraser like in the car. After erasing don’t connect power supply again – BMW airbag sensor is very sensitive and can write “controller malfunction” error after connection on the table without car.
OBDII – BMW 20 pin connection diagram
Also, you can user any OBDII to BMW converter
BMW 20 pin connector
BMW OBDII connector
source:http://www.obdexpress.co.uk/service/how-to-reset-bmw-airbag-with-carprog-v821-v931-10399.html
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