Thread: Gear box oil?
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      03-14-2013, 12:15 PM   #5
doughboy
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Drives: E91 335i Sold.
Join Date: Jan 2009
Location: UK

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Its not a sealed box, just BMW reckon you don't need to change the oil ever, probably right technically, but it can't hurt though, and mine felt a lot smoother when changed for a top notch oil at 42k.

It still has a drain plug underneath and a filler/level plug on the side.
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335i gone E63 AMG here at last!