- 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: BMW 4 series Convertible, F33 / F83 (2014 – ) (USA)  | Engine | Capacity | Intervals |
|---|---|---|---|
| 428i Convertible (N20) (2013 – ) | N20B20A | 5 | 10 000 miles/ 12 months |
| 428i Convertible xDrive (N20) (2013 – ) | N20B20A | 5 | 10 000 miles/ 12 months |
| 428i Convertible (N26 SULEV) (2013 – ) | N26B20A | 5 | 10 000 miles/ 12 months |
| 428i Convertible xDrive (N26 SULEV) (2013 – ) | N26B20A | 5 | 10 000 miles/ 12 months |
| 435i Convertible (2013 – ) | N55B30 | 6.5 | 10 000 miles/ 12 months |
| 435i Convertible xDrive (2013 – ) | N55B30 | 6.5 | 10 000 miles/ 12 months |
| M4 Convertible (2014 – ) | S55B30 | 6.5 | 10 000 miles/ 12 months |