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BMW 3-Series (E90 E92) Forum
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Possible transmission leak
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| 12-26-2011, 04:57 PM | #1 |
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Possible transmission leak
Recently I have noticed my car hesitating while shifting once in a while but I just attributed it to the cold weather. While working on my car today I noticed a leak.
  From the looks of it the fluid seems to be leaking from the back and moving forward. I know about the service bulletin for bad tranny gaskets and would just like to see if anyone knows if this is a tranny leak for sure before I call the dealer in the next few days. Is this something that bmw would fix out of warranty because of the bulletin?
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 2007 335i E90 BSM Depo Tail, Matte Grill, AFE DCI, JB4, Debadge, Matte Black Avant Garde M310, Blacked Out Trim, Mtech v3 AE Future Mods: Tint, Catless DPs E90post.com E9x Picture GAME!!! 2 Points Challenges Girl, Office Space Last edited by BobKingerman; 12-26-2011 at 05:03 PM.. |
| 12-26-2011, 06:06 PM | #2 |
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Comfortably Numb
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Possibly a Leaking Mechatronic Sealing Sleeve. Known issue on ZF 6HP Transmissions.
Had mine repaired under warranty. Not sure if BMW will repair as a warranty item if you are beyond the original warranty. Also, If in fact it is the seal, BMW does not replace the pan/filter or the fluid. They only top off the fluid when they make the repair. If you want the fluid/filter change, BMW will charge for it. Also, Try searching Mechatronic Sealing Seal, number of threads regarding this issue. See attached TSB
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13 F25 X3 xDrive 35i/Black Sapphire Metallic/Oyster Nevada 18 F48 X1 xDrive 28i/Black Sapphire Metallic/Black SensaTec Last edited by SpeedBuggy; 12-26-2011 at 06:14 PM.. |
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| 12-26-2011, 06:11 PM | #3 |
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Colonel
 
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Get this taken care of ASAP. Who knows how long it has been leaking.
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If no codes are being thrown use Chevron Techron fuel injector cleaner (concentrate). It solves rpm fluctuating upon cold start-up. Also, for most BMW problems start off by scanning your car with the Peake Research Tool. It contains the actual BMW codes. If you want to register a newly installed battery for free (just buy a $10 cable) and google/download BMWLogger
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| 12-26-2011, 06:36 PM | #4 |
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Thanks for the help, had no idea about the mechatronic issue. At this point, approaching 50k miles, I might as well just go ahead and replace all the fluid, oil pan, and then the mechantronic seal.
I'm lucky I have access to a lift, can't image trying to do this on jack stands.
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2007 335i E90 BSM Depo Tail, Matte Grill, AFE DCI, JB4, Debadge, Matte Black Avant Garde M310, Blacked Out Trim, Mtech v3 AE Future Mods: Tint, Catless DPs E90post.com E9x Picture GAME!!! 2 Points Challenges Girl, Office Space |
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| 12-26-2011, 09:58 PM | #5 |
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ahat
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normally the mechatronic problem shows up when the car has sat up for several days
and you shouldmcheck with these guys on a pan/filter. http://www.thectsc.com/index.php?p=p...=187&parent=43
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| 12-26-2011, 11:48 PM | #6 |
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If you have any warranty left take it back to the dealership. If not you can do it yourself for approximately $300 if I remember right, and a couple I hours. I did mine I change the sleeve, trams pan and oil and now everything is working just fine.
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| 12-26-2011, 11:48 PM | #7 |
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First Lieutenant
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Do it!
If you have any warranty left take it back to the dealership. If not you can do it yourself for approximately $300 if I remember right, and a couple I hours. I did mine I change the sleeve, trams pan and oil and now everything is working just fine.
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| 12-26-2011, 11:48 PM | #8 |
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First Lieutenant
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If you have any warranty left take it back to the dealership. If not you can do it yourself for approximately $300 if I remember right, and a couple I hours. I did mine I change the sleeve, trams pan and oil and now everything is working just fine.
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| 12-27-2011, 12:32 AM | #9 | |
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Quote:
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2007 335i E90 BSM Depo Tail, Matte Grill, AFE DCI, JB4, Debadge, Matte Black Avant Garde M310, Blacked Out Trim, Mtech v3 AE Future Mods: Tint, Catless DPs E90post.com E9x Picture GAME!!! 2 Points Challenges Girl, Office Space |
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