Quote:
Originally Posted by amebb
Once the tranmission Oil pan has been removed. Would it make sense to replace the solenoids? My car was made in 2024 and has done over 200K miles.
Is there a way of cleaning the solenoids, like car injectors?
Thank you
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I would do a full service. I serviced the transmission of my 2005 4.4 last year May at around 170k miles with absolutely no issues. It continues to shift like new. Note that I changed much more than just the fluid and filter- the solenoids, seals, mechatronic separator plate, trans damper pistons were changed, and a thorough cleaning was done. You can get away without changing the trans damper and the plate, but I did them any way since I was already there and the parts are not expensive. The 4 drain/refill/drive cycles I did really cleaned up the transmission. When I finally opened it up it was really clean. I think just changing the fluid and filter for the first time on a high mileage trans may not be a good idea.
https://xoutpost.com/bmw-sav-forums/...success-4.html
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'05 E53 X5 4.4i, '97 E39 528, '07 E92 335i, '16 F86 X6M.
Last edited by X5only; 03-19-2026 at 09:46 PM.
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