If you need modified odometer for BMW 1 series old cars (2004-2012),you need read/write 35080 eeprom chip.So here is a instruction show you guide on how to remove 35080 eeprom chip from dashboard.BMW 35160 & 35080 EEPROM Odometer Correction By Yanhua 35xx Emulator
Remove the instrument cluster
Fully extended and lowered the steering wheel
Release screws (1)
Tilt the dash panel (2) in the direction indicated by the arrow and slightly pulled back.
Disconnect the appropriate connector.
If necessary,release the wiring harness from the holders
Remove the instrument cluster (2)
Disassemble the instrument cluster:
In the photo shows another panel,but the principle is the same
Remove the rear cover
Remove the glass
Arrow and pull the board
More topics for BMW,please refer to:BMW Trouble Repair