The SY 8025 power steering fluid reservoir is an integrated filtration unit for BMW power steering systems. A unique feature of the original BMW design is that the fine filter is built into the bottom of the reservoir and is not replaceable separately.

If the power steering fluid darkens or the pump starts making noise, replacing the fluid alone will not solve the problem, as wear debris remains in the filter mesh. Installing a new SY 8025 reservoir is the only routine way to restore the system to its factory cleanliness.

Steering rack protection: Micrometal particles accumulating in the old filter act as an abrasive, damaging the seals and the rack surface.

Quiet Pump Operation: A clogged filter causes cavitation (oil starvation), resulting in a characteristic "whining" sound from the power steering pump when turning the steering wheel.

Perfect Fit: Completely matches the geometry of the original BMW part to prevent leaks on the hoses.

Compatibility (Cross-numbering)
BMW OE: 32411097164, 32416851217, 32411095526

ZF: 7633 633 511

MEYLE: 314 632 0000

FEBI: 12750