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  #1  
Old 04-09-2019, 05:07 PM
apb apb is offline
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'08 S550 M273 engine front left oil leak

I noticed an oil leak when last changing the oil. However, I cannot really determine where it is coming from. Any thoughts on oil leaks for the M273 (5.5 ltr) towards the front left side of the engine? Thank you.
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  #2  
Old 04-09-2019, 07:48 PM
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The oil cooler/oil filter housing is a common leaker. The part is updated so best to replace the whole shebang rather than try to reseal it.
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Old 04-09-2019, 09:09 PM
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Would you happen to know the replacement part number?
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Old 04-10-2019, 11:59 AM
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Items 15,50.
I think you should clean the spot and try to locate the faulty component, how many miles are on it?
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'08 S550 M273 engine front left oil leak-ebcd5b204a587274cceac93bf1201a2b.png   '08 S550 M273 engine front left oil leak-273-18.png  
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  #5  
Old 04-10-2019, 12:01 PM
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Charge air pipe o-ring, very common............
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  #6  
Old 04-10-2019, 12:03 PM
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Thank you all. Not sure what that air pipe o-ring is but will try to figure it out.
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