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Old 04-13-2012, 06:35 AM   #171
Sansho
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Join Date: Jun 2010
Location: CT
Posts: 1,783
My Ride: 2001 325i
Quote:
... but they have ZF LIFEGUARD in stock now and it's ok to mix it with. I have a GM transmission and my question is if it's ok to use 6 litters of Febi bilstein for the first fill and drain, then 6 litters ZF LIFEGUARD for the final fill?
Hmm, on the face of it I don't buy that. ZF Lifeguard is ZF's own brand of LT71141 used in ZF transmissions. The GM transmission used Texaco ETL 8072B fluid, which is closer to Dexron VI. I wouldn't mix the two types.
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