The book says the intire hydraulic system holds 36 gallons and the tank holds 28 gallons. This is from the manual of a 1998 555E I purchased.
The transmission fluid capacity is 6.9 quarts (it requires Dexron III fluid).
Total capacity is 9 quarts
4.5 quarts
4.1 Qt.s
2.4 QTS.
The capacity with a filter change is 4.1 Qts.
approx 8q
4.7 quarts
20- 24 ounces
When changing fluids in a car, it is important to know the fluid capacity of the car. A 1999 Pontiac Grand AM holds about 5 quarts of transmission fluid.
On my 1998 E320 the power steering fluid is supplied by the load leveling hydraulic fluid resivoir.
It is important to maintain the levels of fluid in a vehicle. The engine oil capacity of the 1999 BMW 323i is 6.9 or 7 quarts of oil.