Approx 7qts
Remove the plastic cover underneath the engine u will find the oil filter.
If your 330i is a 2006 model or newer, it does not have an oil dipstick. Otherwise, check the oil dipstick for oil level.
Full synthetic 5/30
The same as a BMW 330i -- approx 7 quarts / 6.5 liters of synthetic oil.
7 quarts
You can use Mobil 1 5w-30
The oil change light on a 2006 BMW 330i is reset by turning the key, pressing the trip button, and then the DC button on the turn indicator. The left scroll button is then used to select the oil light and the DC button held until it clears.
REDLINE 5W-30 (NONE BETTER)
There is no oil dipstick in a 2006 330i.
6 litres
A BMW 323i holds 5 quarts of motor oil in its engine. This includes a small amount of oil which is stored inside the oil filter.