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Missing oil pan bolt?

Old 02-17-2019, 02:23 PM
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Join Date: Apr 2017
Location: pa
Posts: 99
My Ride: 528i
Model Year: 2010 528i e60 N52k
Default Missing oil pan bolt?

I was just trying to identify the oil leak around the oil pan gasket (from 2010 528i N52k).

It appears there is a bolt missing close to the oil leak.

See picture below.

Can anyone confirm that this bolt screwed itself and there should be a bolt in that hole?

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Old 02-18-2019, 07:34 AM
Join Date: Aug 2011
Location: Baton Rouge, LA
Posts: 226
My Ride: 2008 550i
Model Year: 2008

That is not a bolt hole (at least not for that side). And you can tell no bolt goes in that side because there is a triangular strengthening beam so close to the hole that no bolt head would be able to clear it.

The pic below has a slightly different transmission but you can see that on the opposite side of the hole is an external torx bolt that secures the transmission bell housing to the engine oil pan. I guess the manufacturer considered it easier to just drill the hole all the way thru.

Last edited by dingolfing; 02-18-2019 at 07:40 AM.
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