12-01-2019, 11:34 AM
I did new fluid on mine at 60k and it helped a little bit. The transmission shop I used did recommend it for the sake of overall lifespan, even though they don't see too many failures of the 6R80. I think they said the occasional torque converter fails but otherwise it's pretty robust.
Now:
'16 Ram 1500 | '97 BMW M3 | Some Press Loan
Then:
87 BMW 325e | 91 BMW 535i | 96 BMW 328i | 95 BMW 325i | 95 Mazda Miata | 13 Focus ST | 09 BMW 128i | 00 Pontiac Firebird | 05 Yukon Denali | 96 BMW 328iC | 11 Ford F-150 | 06 BMW M3 | 10 Range Rover SC | '03 Ford Ranger | '18 Ford F-150 | '01 BMW X5 | '98 Volvo S70 T5M
'16 Ram 1500 | '97 BMW M3 | Some Press Loan
Then:
87 BMW 325e | 91 BMW 535i | 96 BMW 328i | 95 BMW 325i | 95 Mazda Miata | 13 Focus ST | 09 BMW 128i | 00 Pontiac Firebird | 05 Yukon Denali | 96 BMW 328iC | 11 Ford F-150 | 06 BMW M3 | 10 Range Rover SC | '03 Ford Ranger | '18 Ford F-150 | '01 BMW X5 | '98 Volvo S70 T5M