Big, Big Time Poster
Thank you. Is it the same on the 5HP30 that I have? I have read about sucking noises from a poorly-fitting O-ring, but what I have is more of a whine and at the "just before shift" points in first and second gear. This is a Febi filter that I bought before I saw the posts about using the OEM filter.
The stone age didn't end for a lack of stones. Neither will the hydrocarbon age......
Big, Big Time Poster
Thanks also to 632 Regal. I guess I should have read my email instead of freaking out about all those duplicate posts.
The stone age didn't end for a lack of stones. Neither will the hydrocarbon age......
Super Moderator
Yours is the same transmission, bmw no longer goes by the old
nomenclature of 5hp30
Originally Posted by zhandax
4 Grand Master
Just change the O-ring... nothing else.
Super Moderator
The new filter has a deeper extension too, allowing it to sit further
down in the pan and less chance of sucking air. I agree with you on not changing anything else but the filter and oring though.
Had the same problem when I first changed the fluid...
Its the O-ring thickness. The aftermarket O-rings in the filter kit are slightly thinner than the kits from the dealer. After switching to the thicker O-ring, your tranny whine should go away if you have the correct fluid level.
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