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      01-10-2021, 03:51 PM   #20
e30lover318i
Second Lieutenant
United_States
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Drives: E30,E34T,E46,F48
Join Date: Dec 2019
Location: RI

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Quote:
Originally Posted by Bdavi011 View Post
Just want to piggy back, I've done 3 services on my transmission with 2 filter changes since I've owned the car. Bought 2 years ago with 47k miles. I replaced filter and fluid with 50k, then drain and refill with 55k. Now has 85k miles and just recently did a service with filter change. Transmission is going strong with 0 issues. My personal advice is use ZF fluid and filter. Don't cheap out. No reason to risk it with different fluid and different brand filter. ZF knows what they are doing so only put what they put on initial fill.
Perfect response!! Moral of this on going auto transmission “myth” is if you replace the fluid and filter and the trans takes a dump, it was most likely going to happen sooner or later.

My e83 I did once at 150k and again at 200k without any issues.
My f25 done at 120k
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