Quote:
Originally Posted by FlyingLow78
Quote:
Originally Posted by nbennettksu
If its like all M's before us, its the output shaft seals.
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Probably correct. Porsche routed the exhaust pipes on the older Boxsters under the rear axle inner CV boots just like BMW did on our F8Xs, and I suspect the heat is deteriorating the seals. On the Porsches it would dry out and split the inner CV boots. On my stock exhaust there is a secondary plate welded on the exhaust pipe adjacent to the inner boots, so perhaps that's BMW's attempt at a heat shield.
I ordered some header tape and will be wrapping my exhaust where it runs past the diff. Perhaps this will buy me some time on the seals.
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When you do that, you'll have a good look at the dog to see where it's leaking. Just make sure the fluid is topped off and you can go as long as you like—until you're annoyed ☺️