Engine Number

-- Pull front engine cover off -arrows-.

Fig 1: Identifying Front Engine Cover

Courtesy of AUDI OF AMERICA, LLC

• The engine number ("engine code" and "serial number") is located at front on cylinder block, below the right cylinder head -arrow 1-.
  Fig 2: Identifying "Engine Code" And "Serial Number"

  Courtesy of AUDI OF AMERICA, LLC
• Additionally, a sticker -arrow 2- is affixed to the front coolant line with the "engine code" and "serial number".
• The engine code is also located on the vehicle data plate.