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Hi, I'm at 5K miles and going to get my transmission fluid changed today on my M6. A few questions:
(1) the manual calls for DEXRON III automatic fluid approved for "H" specifications. Should I stick with this or consider synthetic? If I went synthetic would that loosen up the shifting? What are the pros & cons.
(2) Do I just get a drain and fill or is there a filter change associated with this service. I saw a few posts in the archives mentioning transmission filter.
Thanks in advance. The tranny changes are new to me as my last car had a sealed tranny that never needed service.
(1) the manual calls for DEXRON III automatic fluid approved for "H" specifications. Should I stick with this or consider synthetic? If I went synthetic would that loosen up the shifting? What are the pros & cons.
(2) Do I just get a drain and fill or is there a filter change associated with this service. I saw a few posts in the archives mentioning transmission filter.
Thanks in advance. The tranny changes are new to me as my last car had a sealed tranny that never needed service.