This is an invaluable tool for diagnosing / bypassing parts of the MOST optical system
The most optical system is found in many European vehicles including Audi, Porsche, BMW, Volvo, Mercedes
Please note that this connector will only bypass standard MOST connections. Some manufactures (mostly BMW and Mercedes) use proprietary connectors on some components. It is important to check the connection you want to bypass to make sure it uses the standard connector.