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      06-08-2021, 02:01 PM   #1
kianf22
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Drives: 2020 BMW M240i
Join Date: Jul 2019
Location: Southern California

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ZF8 transmission oil leak

Hello! I think I'm having a transmission oil leak. Car was serviced at the dealer a couple times and never was there any mention of it, but some independent shops who did exhuast work on my car noticed it and notified me, so I took it back to the dealer and got them to take a video. The pan looks soaked in the video. I've attached a screenshot.

Car only has 15k miles and I believe it may have been leaking as early as at 5k miles when I first got my exhuast installed. because the car was new we thought it may just be condensation and didn't investigate further till I was notified of it again at another shop now at 15k miles. Really hoping that no damage has been done during this time.

From what I'm seeing, trans leaks appear to be very uncommon for the ZF8. I haven't been able to find a thread with similar issue and everyone says these boxes are bullet proof. I believe it's just a defect and am hoping that it just needs a new pan and fluid (hopefully under warranty) but I will update the thread when I can.
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