I really need to talk to my neighbor.
In the EU, there is a regulation 461/2010, which states that independent workshops must receive the following information from the manufacturer.

Quote from the regulation:

Technical repair information:
This includes general repair guides as well as specific data on diagnostic systems, fault codes and procedures, calibrations and programming.

Parts catalogs:
Manufacturers must also provide independent repair shops with access to parts catalogs that list all genuine replacement parts for vehicles from that manufacturer.

Tools and diagnostic software:
If specialized tools or software are required to service or repair a vehicle, these must also be provided.

My neighbor has an independent workshop.


Clemens

PlusFour Red Baron MY 2022