Tutorial: BMW FEM BDC mileage adjustment on Bench with Yanhua mini ACDP
Need:
FEM/BDC Module Adapter + authorization (module2)
Mileage reset method: via Bench
Procedure:
Part 1: Mileage reset in FEM BDC
Part 2: modify mileage in dashboard (required)
*** If only reset mileage in FEM BDC, not the dashboard, when you start the car, the mileage will restore to the old value.
Part 1: Mileage reset in FEM BDC
1). Hardware connection
FEM/BDC is located at the lower part of the A column at the front passenger side.
FEM diagram
BDC diagram.
2). Software menu selection
Click on “BMW”.
Click on “FEM /BDC”.
IMMO / Mileage.
Reset mileage.
Part 2: modify mileage in dashboard.
How to: Dismantle the BMW dashboard, remove the M35XX chip to read the old mileage value, then write new value.
Click on “M35XX”.
The following list are dashboard chip types:
M35080
M35080 V6 / VP
080DOWQ
080DOWT
160DOWQ
160DOWT
M35128
Here are function menu:
Backup data
Recover data
Modify mileage
Open HEX Editor
For the newest BMW with 35160WT dashboard, it requires Simulator to reset the mileage.
Source of Yanhua YH35XX Programmer+ Simulator:
http://www.obdexpress.co.uk/wholesale/yanhua-yh35xx-programmer-simulator-35128wt.html
Enjoy
