If it were me, and I'm a guy that overmaintains my vehicles (I won't abide avoidable breakdowns), I'd do another fluid & filter change at 10-15k mi. Thereafter I'd go back to a 30-35k mi per service.

But that's me; FWIW I do happen to have an '88 TE in the garage with 175k on it, and it shifts beautifully on Redline ATF

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"If God had meant for us to walk, why did he give us feet that fit car pedals?" Sir Sterling Moss

Michael
2014 E63S Estate
2006 SLK55
1995 E500
1986 Porsche 944 turbo