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Manual Transmission Oil BOT 352 B1 (for M76 box)

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15K views 4 replies 3 participants last post by  tharapita  
#2 ·
It's typical obfuscation by Volvo. I looked into that when I first got my car, and it turned out to be a Castrol ingredient designation, only to be found in Castrol MSDS data sheets with no corresponding oil products listed against it.

I've never followed it up, as I've never needed any gearbox oil, but the best I can suggest is to ask a Volvo dealer.

Having said that, Skandix indicate standard Volvo 75W GL4 manual transmission oil is correct for the M76 box.

Castrol's recommendation from their online oil selector is Castrol Transmax Manual FE 75W GL4 for both the M66 and M76 boxes.
 
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