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#31
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#32
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Color doesn't mean much. Some oils are dark like that from the bottle, depending on what kind of EP additives they use.
I'd still do the rear diff and the tc every 40k, those are the stressed parts, especially the tc since the clutch in there does controlled slip to vary front torque. |
#33
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Nice work getting the fluid changed. The front differential probably turns fluid darker than the rear differential because it gets much hotter (it's bolted to the engine and sits right under the header). I changed mine for the first time at 80k miles, and then again at 110k miles; in the 30k miles between changes, the fluid still came out very dark... it probably cleaned up a lot of what was left behind from the first change at 80k, too.
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2007 E70 4.8i |
#34
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#35
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But, but, it is life time fluid!!!!
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2008 X5 3.0si Monaco Blue/Grey Tech Package Cold Weather Package Premium Package Build Date: 02/2008 |
#36
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Well, that's a good wish, but the reality is that the gear oil degenerates faster than you think. After changing the front differential, one symptom, "engine brake", has disappeared, which is good.
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#39
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2007 E70 4.8i |
#40
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