Discussion in 'Opie Oils' started by TheShane, May 19, 2018.
Can you recommend best gearbox fluid for a e46m3 track car? 90% 10% road.
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If it's any use, I would use a 75w-80 for the gearbox and the best proven options are the Red Line MTL, Fuchs Sintofluid or Amsoil MTF. The Millers TRX 75w-80, Castrol Syntrans V-FE, Gulf Syngear FE and Motul Motylgear are good alternatives.