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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > E90 330d LCI n57 engine Oil leak



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      02-17-2019, 02:56 PM   #1
faraz4271
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E90 330d LCI n57 engine Oil leak

Hi guys,

I'm new to this forums, I have a 330d 2009 automatic. Noticed oil leak although said as minor on MOT. Didn't think much of it but now it has leaked from full to 3/4 in a month on Obc. I got it washed from underneath and tried to see where the engine leak is coming from.
Is there anyway to see if it's the oil sump gasket , oil filter gasket or something else.
Anyone had similar problem of s leak in the past? Not sure what's the best to go about it. Dealers want 240 jus to look at it .
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      02-18-2019, 09:16 AM   #2
335dlci
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Look at the engine in those areas. That's all.
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      02-21-2019, 08:03 AM   #3
Xerix
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You could also check your turbo oil lines.
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      02-21-2019, 08:49 AM   #4
E60525d
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Also had an oil leak on my N57 30d a few years ago, it was the filter housing gasket.
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      02-22-2019, 02:50 PM   #5
Rhysmcgill041188
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Quote:
Originally Posted by E60525d View Post
Also had an oil leak on my N57 30d a few years ago, it was the filter housing gasket.
I have just purchased a 2006 e90 330d and have a leak from oil sump and also gearbox sump. Heard its quite an expensive fix
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