Engine Number/Engine Specifications

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Engine Number

The engine number ("engine code" and "serial number") are located at the front of the engine/transmission joint -arrow-.

Fig 1: Engine Code And Serial Number Location
Courtesy of AUDI OF AMERICA, LLC
There is also a label located on the upper timing chain cover with the "engine code" and "serial number".
The engine code is also included on the vehicle data labels.

Engine Specifications

Engine code allocation. Refer to ENGINE OVERVIEW .