Engine marks

boss2k · 12-22-2020, 06:53 PM

what are these marks in the engine bay, please zoom into see these marks. Are they dirt coming up from the road or some kind of oil marks which I should be concerned?

TUNEDM3 · 12-22-2020, 07:22 PM

Quote:

Originally Posted by boss2k

what are these marks in the engine bay, please zoom into see these marks. Are they dirt coming up from the road or some kind of oil marks which I should be concerned?

Nothing to worry about, its cosmoline. A rust inhibitor.

boss2k · 12-22-2020, 07:25 PM

Quote:

Originally Posted by TUNEDM3

Quote:

Originally Posted by boss2k

what are these marks in the engine bay, please zoom into see these marks. Are they dirt coming up from the road or some kind of oil marks which I should be concerned?

Nothing to worry about, its cosmoline. A rust inhibitor.

Thanks u mean the brown marks right

what does it actually do?

Daytona_550 · 12-22-2020, 09:19 PM

See https://en.m.wikipedia.org/wiki/Cosmoline

12-22-2020, 06:53 PM	#1
boss2k Colonel 1068 Rep 2,781 Posts Drives: 2021 M2C Join Date: Jan 2010 Location: Atlanta iTrader: (2)	Engine marks what are these marks in the engine bay, please zoom into see these marks. Are they dirt coming up from the road or some kind of oil marks which I should be concerned? Attached Images __________________ 2021 M2C HS/6MT/Exec/Moonroof
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12-22-2020, 09:19 PM	#4
Daytona_550 Lieutenant 464 Rep 500 Posts Drives: '20 M2C / '08 550i / '23 330i Join Date: Oct 2019 Location: Daytona Beach iTrader: (0)	See https://en.m.wikipedia.org/wiki/Cosmoline
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