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-   -   The Dreaded 3.0 Oil Pan Gasket Change (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/113348-dreaded-3-0-oil-pan-gasket-change.html)

Fifty150hs 06-13-2021 12:06 PM

The Dreaded 3.0 Oil Pan Gasket Change
 
I recently changed my leaking OFHG with a Viton available from ECS. I've been poking around but haven't found a Viton option for the OPG. Anyone know if there is such a thing? I've had a very slight leak for a long time, just enough to mist oil on the pan, but no drips. It recently started dripping. I'm dreading this job and I'd like to make sure I don't have to do it again.

X5chemist 06-13-2021 01:05 PM

The metal encapsulated gasket will work. I did my OFHG a month ago. My secret on seals is to use Form-A-Gasket sealer. I use it so gaskets don't move around. Gasket movement contributes to them blowing out. It's really tacky stuff.

Overboost 06-13-2021 02:07 PM

Quote:

Originally Posted by Fifty150hs (Post 1205059)
I recently changed my leaking OFHG with a Viton available from ECS. I've been poking around but haven't found a Viton option for the OPG. Anyone know if there is such a thing? I've had a very slight leak for a long time, just enough to mist oil on the pan, but no drips. It recently started dripping. I'm dreading this job and I'd like to make sure I don't have to do it again.

Just replace it with a Genuine BMW gasket. That's what I did, I mean it lasted me over 150,000 miles before it started leaking so why change the recipe? :dunno:

Fifty150hs 06-13-2021 08:21 PM

Quote:

Originally Posted by X5chemist (Post 1205062)
The metal encapsulated gasket will work. I did my OFHG a month ago. My secret on seals is to use Form-A-Gasket sealer. I use it so gaskets don't move around. Gasket movement contributes to them blowing out. It's really tacky stuff.

It calls for forma-a-gasket type material at the parting lines. Is that enough to stick the gasket and keep it in place? Or do you coat the entire pan surface?

Fifty150hs 06-13-2021 08:24 PM

Quote:

Originally Posted by Overboost (Post 1205070)
Just replace it with a Genuine BMW gasket. That's what I did, I mean it lasted me over 150,000 miles before it started leaking so why change the recipe? :dunno:

Makes sense, but they are making the OFHG in Viton which will last far, far longer than the stock BMW formula. If it's available in the pan gasket, why not use it? Since it seems like it's not, I'll go with the genuine BMW gasket.

Overboost 06-13-2021 08:42 PM

Quote:

Originally Posted by Fifty150hs (Post 1205082)
Makes sense, but they are making the OFHG in Viton which will last far, far longer than the stock BMW formula. If it's available in the pan gasket, why not use it? Since it seems like it's not, I'll go with the genuine BMW gasket.

Best approach. Do you think you'll have this X 150,000 miles from now? One and done. :thumbup:

X5chemist 06-13-2021 09:09 PM

1 Attachment(s)
Use Form A Gasket on both sides. Especially on corners, splits, and bolt areas. Here's an example from a Benz C240 valve cover I fixed. I used a light layer all the way around. Even a little to hold the valve cover gasket in place. The gasket won't leak unless the cover gets loose or it's seriously blown out. On really difficult gaskets, I loosen up the part and dab the sealing surface and tighten the part back down.

Fifty150hs 06-13-2021 09:56 PM

Quote:

Originally Posted by Overboost (Post 1205085)
Best approach. Do you think you'll have this X 150,000 miles from now? One and done. :thumbup:

100,000 maybe. :rofl:

Overboost 06-14-2021 05:54 AM

Here is what mine looked like when I replaced it. Yours will probably be the same.

https://xoutpost.com/attachments/x5-...517_184033.jpg

X5chemist 06-14-2021 07:49 AM

Wow! That's crazy! I better plan on doing mine when new front shafts are installed.


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