There has been the occasional discussion regarding lifetime oils for the auto gearboxes and the need or not to change oils.
The following pics are from a ZF5HP19 gearbox from an e39 with 150 000Km.
The black streaks you see in the oil can be considered as foreign (worn clutch material)
You will equally notice that the magnets are looking "furry".
The following pics are from a ZF5HP19 gearbox from an e39 with 150 000Km.
The black streaks you see in the oil can be considered as foreign (worn clutch material)
You will equally notice that the magnets are looking "furry".


