• 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
Z3 1.9 (1995 – 2000)	M44 B19	5	n/a
Z3 2.5 (1996 – 2000)	M52	6.5	20 000 km/ 24 months
Z3 2.5i (2000 – 2002)	M54 B25	6.5	20 000 km/ 24 months
Z3 2.8 (1996 – 2000)	M52 B28	6.5	n/a
Z3 3.0i (2000 – 2003)	M54 B30	6.5	20 000 km/ 24 months
Z3 M (1997 – 2000)	S52B32	5.5	n/a
Z3 M (2000 – 2003)	S54B32	5.5	n/a

Model: BMW Z4 Roadster, E85 (2002 – 2009) (USA)

	Engine	Capacity	Intervals
Z4 2.5i (2002 – 2006)	M54 B25	6.5	10 000 miles/ 12 months
Z4 3.0i (2002 – 2006)	M54 B30	6.5	10 000 miles/ 12 months
Z4 3.0i (2005 – 2009)	N52B30	6.5	10 000 miles/ 12 months
Z4 3.0si (2005 – 2009)	N52B30	6.5	10 000 miles/ 12 months
Z4 M Roadster (2005 – 2009)	S54B32	5.5	10 000 miles/ 12 months

Model: BMW Z4 Coupé, E86 (2004 – 2009) (USA)

	Engine	Capacity	Intervals
Z4 3.0si (2005 – 2009)	N52B30	6.5	10 000 miles/ 12 months
Z4 M Coupé (2005 – 2009)	S54B32	5.5	10 000 miles/ 12 months

Model: BMW Z4 Roadster, E89 (2009 – 2017) (USA)

	Engine	Capacity	Intervals
Z4 sDrive28i (2011 – 2017)	N20B20A	n/a	n/a
Z4 sDrive30i (2008 – 2011)	N52B30	6.5	n/a
Z4 sDrive35i (2008 – 2011)	N54B30	6.5	n/a
Z4 sDrive35i (2011 – 2017)	N54B30	6.5	n/a
Z4 sDrive35is (2009 – 2011)	N54B30T	6.5	n/a
Z4 sDrive35is (2011 – 2017)	N54B30T	6.5	n/a

Model: BMW Z8, E52 (1999 – 2003)

	Engine	Capacity	Intervals
Z8 (1999 – 2003)	S62	7.5	n/a