Siemens SDI 21.1 original ECU files

Vehicles with a Siemens SDI 21.1

Siemens SDI 21.1 files are listed for 1 make and 4 models, the most listed first.

How to identify your Siemens SDI 21.1 file

How the numbers on this ECU type start:

• HW 98290… 18 of the 18 files with a HW number, 100%
• SW W21H… 14 of the 18 files with a SW number, 78%

Where do I find these numbers?

All Siemens SDI 21.1 HW and SW numbers

18 HW numbers and 18 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.