90 PA from Motul is a mineral-based (conventional) Extreme-Pressure differential lubricant. The balanced slipperiness makes it suitable for all differentials, including all types of limited-slip diffs.* It is rated as a GL-4 / GL-5 gear lube, which allows its use with hypoid gears. The SAE 90 viscosity can be used in almost any heavily-loaded differential, from racing to street cars -- even 4x4 rock crawlers and construction equipment. Motul 90 PA is compatible with all seal materials.
* Motul recommends using a GL-5 rated non-slip 75W-140 gear lube in BMW limited-slip differentials.
Motul 90 PA meets API GL-4 and GL-5 standards and carries MIL-L-2105D approval.