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Discussion Starter · #1 ·
I just got the latest Roundel, and there's a tech letter in it stating that the E90 differential has no drain plug.

That's just stupid. Can anyone look under their car and confirm it?

I guess BMW is really taking that lifetime fill crap seriously. But what happens if you have to replace a seal or something?
 

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I think that is nonsense. How would you fill it with oil in the first place. It seems to be the same bs that you hear about transmissions being sealed, when in fact they are not.
 

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Discussion Starter · #3 ·
WAM said:
I think that is nonsense. How would you fill it with oil in the first place. It seems to be the same bs that you hear about transmissions being sealed, when in fact they are not.
The letter said it has a fill plug, just no drain plug.
 

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No big deal if it doesnt have a drain plug. When I change the oil on my boat, I have to pump the oil out-- you could do the same thing.
 

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rrandyy said:
No big deal if it doesnt have a drain plug. When I change the oil on my boat, I have to pump the oil out-- you could do the same thing.
Exactly. same here, do that with my boat too.
 

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Unlike other models, the E90 diff only has one plug. It's used to both drain the diff oil and fill it. As others have said, the diff oil needs to be pumped out.
 

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rrandyy said:
No big deal if it doesnt have a drain plug. When I change the oil on my boat, I have to pump the oil out-- you could do the same thing.
Exactly - Lot of paranoia in this forum, which I would understand if this were a FORD forum.:rofl: :rofl: :rofl:
 
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