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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Help identify this leak

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      08-02-2019, 12:15 PM   #1
bobfillypo
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Help identify this leak

I have a 2015 BMW M235i that I have owned for about 6 months. I decided to take off the plastic engine cover to estimate how hard the spark plug change would be, as I would have to do that soon. That's when i saw this mess. Any idea what is causing this leak? Its slightly damp and i cant see any pooling. Any help is appreciated!
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      08-02-2019, 02:54 PM   #2
accs
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Try posting into the f30 forums, much more traffic.

As for spark plug change, did it for the first time myself a few months back. As long as you have the right tools it's not difficult whatsoever.
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      08-02-2019, 05:24 PM   #3
ScottSinger
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Iím ignorant, but it looks as though the oil has been atomized. Ran the engine with an unseated spark plug...

Iím sure a tech can figure this out in a second.
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      08-03-2019, 09:10 AM   #4
delvec03
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isnt that where the fuel is injected?
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      08-03-2019, 11:25 AM   #5
ScottSinger
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Quote:
Originally Posted by delvec03 View Post
isnt that where the fuel is injected?
That does look like a fuel rail. And itís cooler due to high pressure fuel so maybe the oil pools there.
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