- 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.
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Model: Audi A4 Cabriolet, 8H, B7 (2005 – 2009) (USA)  | Engine | Capacity | Intervals |
|---|---|---|---|
| A4 Cabriolet 2.0 (147 kW) (2005 – 2008) | BPG | 4.5 | 10 000 miles/ 12 months |
| A4 Cabriolet 2.0 quattro (147 kW) (2005 – 2008) | BPG, BWT | 4.5 | 10 000 miles/ 12 months |
| A4 Cabrriolet 3.2 quattro (188 kW) (2005 – 2008) | BKH | 6.5 | 10 000 miles/ 12 months |
| S4 Cabriolet (253 kW) (2006 – 2008) | BHF | 9 | 10 000 miles/ 12 months |
| RS4 Cabriolet (309 kW) (2007 – 2009) | BNS | 9.5 | 10 000 miles/ 12 months |