BMW 3 Bosch MG1CS003 R1C9J8I2BAJVX4

Technical data

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.

In CARTESIAN this original file is the base for lambda off, EGR off, flaps off, start/stop off and DTC off, each saved with a correct checksum, and for returning a modified unit to stock.

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 MG1CS003 whose label carries the same hardware and software numbers.

Before you write Compare the numbers on your control unit with this file, software number R1C9J8I2BAJVX4. 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 reads of this pair

The same hardware and software numbers, read from other vehicles or at other times; each has its page.

All reads of R1C9J8I2BAJVX4

Other pairs of Bosch MG1CS003

Bosch MG1CS003 original files

The Bosch MG1CS003 unit page