• Engine: Engine Code. A sequence of letters and numbers. This includes the engine block type and engine family, but may also include other information.
• Capacity: Capacity/Filter capacity in litres(liters). Engine oil fill quantity (Service fill).
• Intervals: Oil Change Intervals (use: normal). Engine oil should be changed at the latest after this time or after miles/km, whichever comes first.

The oil filter must be replaced every time the oil is changed, unless the car's owner's manual recommends otherwise.

	Engine	Capacity	Intervals
A4 1.8 T (125 kW) (2001 – 2005)	AMB	3.5-4.1	10 000 miles/ 12 months
A4 1.8 T quattro (125 kW) (2001 – 2005)	AMB	3.5-4.1	10 000 miles/ 12 months
A4 3.0 5V (162 kW) (2001 – 2005)	AVK, BGN	6.4	10 000 miles/ 12 months
A4 3.0 5V quattro (162 kW) (2001 – 2005)	AVK, BGN	6.4	10 000 miles/ 12 months
S4 4.2 quattro (253 kW) (2003 – 2005)	BHF	9	10 000 miles/ 12 months