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      10-28-2012, 10:10 PM   #1
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Oil Pan for 335i is made of metal

As some of you know, the oil pan for the 328i is now made of a composite plastic. I just did an oil change for my 335i and it is metal with a traditional 17mm drain plug bolt.

There must be a reason why the 2 cars are different. Anyone know?
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      10-28-2012, 10:13 PM   #2
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Weight? Testing new materials? Cost savings? Reduces something (friction, temp, noise) You name it.
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      10-29-2012, 06:27 PM   #3
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Perhaps because the N55 is a carryover engine whereas the N20 is a new design that can incorporate more recent design advances?
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