I have a 325ci and the owners manual says it uses 7 quarts (6.9qts to be exact) do not use any of those oil additives or it will screw your engine up.
6.5 if you are changing
6 Quarts of Synthetic Oil, Preferably Mobil 1.
The oil capacity for a 1986 BMW 325 is 4.3 quarts.
The 2005 Porsche 911's engine produces 325 hp @ 6800 rpm.
1.9 quarts
About 80 pounds
The 2005 BMW 7-Series's engine produces 325 hp @ 6100 rpm.
The 2005 BMW 6-Series's engine produces 325 hp @ 6100 rpm.
11 of them.
about 185 stock.
325
325 horsepower