Where is the VIN number located on an Audi A4?

[DelAvery]

Audi A4L's engine number is engraved on the inclined surface of the cylinder block at the rear end of the engine where it connects to the transmission. Vehicle Information: The VIN number can be found on the rear bulkhead of the engine compartment and at the lower right corner of the front windshield. The vehicle's information label also contains details such as the VIN number, engine code, and production date. Additionally, connecting a diagnostic tool can retrieve relevant information including the vehicle's VIN number. Vehicle Identification Number: Abbreviated as VIN, it is a unique 17-character alphanumeric code used to identify a vehicle's manufacturer, engine, chassis number, and other specifications. The VIN serves as the vehicle's ID number, ensuring no duplicates for at least 30 years. Generally, domestically produced vehicles in China start with the letter 'L', which helps distinguish between parallel imports and domestically manufactured cars. The 10th character of the VIN indicates the production year, represented by a letter corresponding to a specific year, which can be identified by referencing relevant data. The 11th character of the VIN denotes the assembly plant code, where the vehicle is assembled and produced.