- 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 Z4 Roadster, E85 (2002 – 2008) | Engine | Capacity | Intervals |
|---|---|---|---|
| Z4 2.0i (2004 – 2008) | N46B20 | 4.25 | 24 months |
| Z4 2.2i (2002 – 2006) | M54 B22 | 6.5 | 24 months |
| Z4 2.5i (2002 – 2006) | M54 B25 | 6.5 | 24 months |
| Z4 2.5i (2006 – 2008) | N52 B25 | 6.5 | 24 months |
| Z4 2.5si (2006 – 2008) | N52 B25 | 6.5 | 24 months |
| Z4 3.0i (2002 – 2006) | N53 B30 | 6.5 | 30 000 km/ 24 months |
| Z4 3.0si (2004 – 2008) | N52 B30 | 6.5 | 24 months |
| Z4 M Roadster (2006 – 2008) | S54 | 5.5 | 24 months |
Model: BMW Z4 Coupé, E86 (2006 – 2008)
 | Engine | Capacity | Intervals |
|---|---|---|---|
| Z4 Coupé 3.0si (2006 – 2008) | N52 B30 | 6.5 | 24 months |
| Z4 M Coupé (2006 – 2008) | S54 | 5.5 | 24 months |
Model: BMW Z4 Roadster, E89 (2008 – )
 | Engine | Capacity | Intervals |
|---|---|---|---|
| Z4 sDrive18i (2013 – ) | N20B20A | n/a | n/a |
| Z4 sDrive20i (120 kW) (2011 – ) | N20B20A | n/a | n/a |
| Z4 sDrive20i (135 kW) (2011 – ) | N20B20A | n/a | n/a |
| Z4 sDrive23i (2008 – 2011) | N52 B25 | 7 / 0.5 | n/a |
| Z4 sDrive28i (2011 – ) | N20B20A | n/a | n/a |
| Z4 sDrive30i (2008 – 2011) | N52K B30 | 6.5 | n/a |
| Z4 sDrive35i (2008 – 2011) | N54 B30 | 6.5 | n/a |
| Z4 sDrive35i (2011 – ) | N54 B30 | 6.5 | n/a |
| Z4 sDrive35is (2009 – 2011) | N54T | 6.5 | n/a |
| Z4 sDrive35is (2011 – ) | N54T | 6.5 | n/a |