75W90 - A GL-5+ and GL-6
spec oil, preferred for use in conventional and LSD differentials.
Contains limited-slip friction modifiers for decreased noise and
better wear from clutch-type LSD units. Suitable for street and
track. Our suggested gear oil for most BMW
75W90NS - A GL-5 oil, designed for conventional
differentials, but can be used in clutch-type LSD units for
increased locking rates, leading to reduced wheel spin. Not
recommended for street-driven LSD units!
75W140 - a GL-5 rated product recommended for street-driven
road car differentials where that viscosity is specified, providing
excellent performance in both conventional and limited slip units.
This oil is specified for modern BMW LSD equipped differentials
from '02 forward.
Sold per quart.
Red Line 75W90 gear oil
From Roger of Des Moines, Iowa on 4/29/2011.
Got this for the differential on a 1973 '02 that I finally managed to get restored. It's highly recommended by several people I trust implicitly (including Mike Miller). Have just put it in, so have no experience with it, but expect it will do a superior job of lubing the 40% LSD diff I've got.
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