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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Oil leak HELP!



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      09-21-2020, 06:15 PM   #1
andrewsmith335i
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Oil leak HELP!

Hello guys, I am seeing a few drops of oil under my 335. It's just a little behind the front wheels. I have done oil pan gasket, valve cover gasket, and front main seal within the past month[IMG][/IMG]
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      09-22-2020, 12:45 AM   #2
Mustafa.e92
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Pull off the under tray and take another look
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      09-22-2020, 03:27 AM   #3
Saif2018
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Quote:
Originally Posted by andrewsmith335i View Post
Hello guys, I am seeing a few drops of oil under my 335. It's just a little behind the front wheels. I have done oil pan gasket, valve cover gasket, and front main seal within the past month[IMG][/IMG]
You'll have to take the undertray off and clean everything underneath and check after.

Rear crank seals also leak, I'm assuming your OFHG is not leaking.
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      09-22-2020, 05:56 AM   #4
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Quote:
Originally Posted by Saif2018 View Post
Quote:
Originally Posted by andrewsmith335i View Post
Hello guys, I am seeing a few drops of oil under my 335. It's just a little behind the front wheels. I have done oil pan gasket, valve cover gasket, and front main seal within the past month[IMG][/IMG]
You'll have to take the undertray off and clean everything underneath and check after.

Rear crank seals also leak, I'm assuming your OFHG is not leaking.
I had the OFHG replaced recently but my mechanic said it looked like it was leaking again...would this cause a leak from the back of the engine?
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      09-22-2020, 08:09 AM   #5
Saif2018
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Quote:
Originally Posted by andrewsmith335i View Post
I had the OFHG replaced recently but my mechanic said it looked like it was leaking again...would this cause a leak from the back of the engine?
Could be dripping down the bottom, would suggest you check the rear seals as well.

I had leaks from VCG, OFHG, and both front and rear seals,
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      09-22-2020, 08:11 AM   #6
andrewsmith335i
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Quote:
Originally Posted by Saif2018 View Post
Quote:
Originally Posted by andrewsmith335i View Post
I had the OFHG replaced recently but my mechanic said it looked like it was leaking again...would this cause a leak from the back of the engine?
Could be dripping down the bottom, would suggest you check the rear seals as well.

I had leaks from VCG, OFHG, and both front and rear seals,
Yeah I've had OFHG, VCG, front main and oil pan done within the last 1k miles
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      09-22-2020, 08:12 AM   #7
Saif2018
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Quote:
Originally Posted by andrewsmith335i View Post
Yeah I've had OFHG, VCG, front main and oil pan done within the last 1k miles
Had to do OFHG twice, although can't say for sure if it wad done properly first time by mechanic.
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      09-22-2020, 08:15 AM   #8
andrewsmith335i
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Quote:
Originally Posted by Saif2018 View Post
Quote:
Originally Posted by andrewsmith335i View Post
Yeah I've had OFHG, VCG, front main and oil pan done within the last 1k miles
Had to do OFHG twice, although can't say for sure if it wad done properly first time by mechanic.
Have a feeling that might be my case...I'm going to have to talk to the guy who did mine, maybe he'll reimburse me for parts if it is his fault
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      09-22-2020, 08:18 AM   #9
Saif2018
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Quote:
Originally Posted by andrewsmith335i View Post
Have a feeling that might be my case...I'm going to have to talk to the guy who did mine, maybe he'll reimburse me for parts if it is his fault
I would confirm by cleaning and checking everything over first, you don't want to be going on assumptions.
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      09-22-2020, 09:05 AM   #10
andrewsmith335i
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Quote:
Originally Posted by Saif2018 View Post
Quote:
Originally Posted by andrewsmith335i View Post
Have a feeling that might be my case...I'm going to have to talk to the guy who did mine, maybe he'll reimburse me for parts if it is his fault
I would confirm by cleaning and checking everything over first, you don't want to be going on assumptions.
Yes of course
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