I wonder if the new M240i's have a drain hole in the new M-Diff.
Quote:
Originally Posted by dradernh
There's only a fill hole, so the oil must be sucked-out via that hole. Then you can put fresh fluid in until it starts to flow out of the hole.
I watched the mechanic do this with my car the last time it was done. Believe it or not, he spent 20 minutes sucking-out the used fluid. Basically, once he'd gotten most of the fluid out, he then moved the tube he was using to get the fluid out around in a variety of ways to try and get the rest of it out. And he did get a fair amount more used fluid out of the diff using this method. He certainly had more patience than I would have had if I'd been doing it.
I wonder why there's no drain plug on our diffs.
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