Oilyman is a free application and website which was originally aimed at helping in selecting the right oil for a BMW naturally-aspirated petrol engines.
The web application is in constant evolution and there are other tools that should see life soon, related to the same topic (Engine overviews and maintenance, vehicles specifications...etc)
The website is ads-free and secured. Created by BMW E-Series enthusiasts for E-Series enthusiasts.
The web-hosting is offered by the french company OVH Cloud
Disclaimer