Where is the engine number of Audi A6 located?

[McLincoln]

The engine number of A6 is located on the lower left side of the engine, near the flywheel position. The engine model is an identification code assigned by the engine manufacturer in accordance with relevant regulations, corporate or industry practices, and the attributes of the engine, for a batch of identical products. It is used to represent information such as the manufacturer, specifications, performance, characteristics, technology, purpose, and production batch of the engine, including fuel type, number of cylinders, displacement, and static braking power, among others. The engine model is an identification code assigned by the engine manufacturer in accordance with relevant regulations, corporate or industry practices, and the attributes of the engine, for a batch of identical products. It is used to represent information such as the manufacturer, specifications, performance, characteristics, technology, purpose, and production batch of the engine, including fuel type, number of cylinders, displacement, and static braking power, among others. Engines installed in passenger cars or multi-purpose passenger vehicles are marked with the professional manufacturer, model, and production number of the engine as required. It should be noted that the engine number is not the same as the engine model. The engine model refers to the specifications and size of the engine within the manufacturer's range, and engine models can be the same. The engine number refers to the production number of the engine, with each engine having only one unique engine number, and each engine's number is different. Composition of the vehicle engine number: Front part: Includes product series code, generation symbol, and regional or corporate code. Manufacturers can choose corresponding letters as needed, but they must be approved and filed by the industry standard standardization unit. Middle part: Consists of the number of cylinders symbol, cylinder arrangement symbol, stroke symbol, and cylinder diameter symbol. Rear part: Composed of structural feature symbols and usage feature symbols. Tail part: Distinguishing symbol. When differentiation is needed for the same series of products due to improvements or other reasons, the manufacturer selects appropriate symbols to represent it, and the rear part and tail part can be separated by a hyphen.