Original file

BMW Bosch M1.20261200156 / 81026RT3209

An original (stock) flash read of the Bosch M1.2 control unit, fitted in BMW, hardware number 0261200156 and software number 81026RT3209, 32.00 KB. The file is supplied exactly as it was read from the unit, byte for byte; nothing is changed in it.

Technical data

Vehicle
BrandBMW
Control unit
Control unitBosch M1.2
ECU makerBosch
Hardware number0261200156
Software number81026RT3209
File
File typeOriginal flash read
File size32.00 KB
File key0e90f69c2ed4fa50
Price15 €

About this file

Typical uses: restoring a control unit to its factory software after a failed flash or a corrupt memory, a clean base before any change, comparing a read of your own with the original. The checksum is the one of the read; your programmer or the CARTESIAN app corrects it after a change.

How to use this file

  1. Order with your e-mail address; the download link comes right after the payment and is valid for 30 days.
  2. Open the file in your programmer, compare its numbers with your unit and check the checksum.
  3. Write it only to a Bosch M1.2 whose label carries the same hardware and software numbers.

Before you write Compare the numbers on your control unit with this file, hardware number 0261200156 and software number 81026RT3209. A file written to a unit with other numbers can damage it. Not sure? Give your own read to the search above: it is compared by content.

Other pairs of Bosch M1.2

HardwareSoftwareVehicles
02612003501267356163BMW E34 M5 S38B36
026120035081026SA0962BMW 5er

Bosch M1.2 original files