BMW 7 series, E32 (USA)

Power steering fluid capacity & service interval

BMW 7 series, E32 (USA) uses power steering fluid with a capacity range of 2,4 to 3 liters. The data covers 6 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
  • 740i (1992-1994)
  • Combined with levelling system
  • Use: Normal
  • Capacity 3 liter
  • 740i (1992-1994)
  • Separate system (ATF cap)
  • Use: Normal
  • Capacity 2,4 liter
  • 740iL (1992-1994)
  • Combined with levelling system
  • Use: Normal
  • Capacity 3 liter
  • 740iL (1992-1994)
  • Separate system (ATF cap)
  • Use: Normal
  • Capacity 2,4 liter
  • 735i (1987-1992)
  • Separate system (ATF cap)
  • Use: Normal
  • Capacity 2,4 liter
  • 735iL (1987-1992)
  • Separate system (ATF cap)
  • Use: Normal
  • Capacity 2,4 liter

Additional Notes

  • The BMW 7 Series E32 (USA) power steering system appears in two distinct configurations across the model range: a separate system with an ATF-type cap, and a combined system shared with the leveling system.
  • The 735i and 735iL, covering model years 1987-1992, each carry a power steering fluid capacity of 2.4 liters within a separate system identified by an ATF cap.
  • A 2.4-liter capacity in a separate power steering circuit is a relatively modest fill volume, consistent with a self-contained rack-and-pinion or recirculating-ball steering system without auxiliary hydraulic functions.
  • The 740i and 740iL, covering 1992-1994, each appear with two separate capacity entries, reflecting the existence of two different hardware configurations within the same model designation.
  • When the 740i or 740iL is equipped with the separate system using an ATF cap, the capacity remains at 2.4 liters, matching the figure recorded for the earlier 735i and 735iL.
  • When the 740i or 740iL is equipped with the combined power steering and leveling system, the fluid capacity rises to 3 liters, a larger volume that reflects the additional hydraulic circuit serving the self-leveling suspension.
  • The 0.6-liter difference between the 2.4-liter separate system and the 3-liter combined system on the 740i and 740iL directly represents the added fluid volume required to service the integrated leveling function.
  • All six rows across the E32 USA range carry a normal use condition, meaning none of the capacity figures are associated with a severe-duty or first-change-only service distinction.

Other Systems