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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 > Tensioner cracked probable cause for cracked block causing weird oil leak?!?



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      01-18-2019, 08:08 PM   #67
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could it be that the oil is getting out somewhere else, and as the belt turns it ends up there?
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      01-18-2019, 08:27 PM   #68
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The oil path definitely looks to come from the direction of the OFHG, but very strange that there is no oil on that ledge right there which would be a clear indication of OFHG. Where does that trail stop and start? This is VERY perplexing lol.

Edit: We need pictures more to the driver side of where you are taking them so we can see the whole front of the motor and OFHG area.
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      01-18-2019, 08:53 PM   #69
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Originally Posted by IllSic_Design View Post
The oil path definitely looks to come from the direction of the OFHG, but very strange that there is no oil on that ledge right there which would be a clear indication of OFHG. Where does that trail stop and start? This is VERY perplexing lol.

Edit: We need pictures more to the driver side of where you are taking them so we can see the whole front of the motor and OFHG area.
Okay will do, gonna work on it tomaro all day will keep you guys posted.
The trail starts write where the nipple thing is I will post a pic again, and moves down the left side of the engine towards the turbos, and I don’t see how oil would reach the front of the motor from the turbos either, checked the lines everything good
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      01-22-2019, 10:48 AM   #70
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Did u figure out where that leak coming from I got the same issue

Still trying to figure this out I’ve been out bc of this weather here in the east cost I took my inlet pipe off and I found that the gasket is ripped
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      01-22-2019, 04:40 PM   #71
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OFHG
Okay just replaced ofhg again same stupid problem...
Did u figure out that leak I have the same exact leak u are having
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      01-23-2019, 01:12 PM   #72
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Did u figure out that leak I have the same exact leak u are having


No... but this is a weird one and I’m about to give up to much stress of this dumb car I got some more pictures tho
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      01-23-2019, 03:29 PM   #73
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Did u figure out that leak I have the same exact leak u are having


No... but this is a weird one and I’m about to give up to much stress of this dumb car I got some more pictures tho
I figured it out last night i have the same leak,and It was my crank seal I changed it n I thought it wasn't it and I re-done it and the leak stop
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      01-23-2019, 03:44 PM   #74
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No... but this is a weird one and I’m about to give up to much stress of this dumb car I got some more pictures tho
In your last picture right above the gasket by that metal plate, is that a crack to the right of it?
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      01-23-2019, 03:52 PM   #75
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In your last picture right above the gasket by that metal plate, is that a crack to the right of it?
No it’s not I checked just casting flash looks like
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      01-23-2019, 04:00 PM   #76
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Would it be worth trying something like this at this point?
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      01-23-2019, 04:04 PM   #77
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I figured it out last night i have the same leak,and It was my crank seal I changed it n I thought it wasn't it and I re-done it and the leak stop
It would leak from the top like mine does?
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      01-23-2019, 06:02 PM   #78
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I figured it out last night i have the same leak,and It was my crank seal I changed it n I thought it wasn't it and I re-done it and the leak stop
It would leak from the top like mine does?
It's actually not leaking from up top the edge of the belt to the block of the engine is carrying up n splashing it in that corner n then it run back down I'd try doing the crank seal over again I got mines re-done at mpire performance in Hempstead they did it for a fair price n the leaking stop I've Been running the car hard all day today n not one drop of of oil,jus try doing the crank seal over again n see can't hurt to try that but I'm confident it will stop after
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      01-23-2019, 06:35 PM   #79
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It's actually not leaking from up top the edge of the belt to the block of the engine is carrying up n splashing it in that corner n then it run back down I'd try doing the crank seal over again I got mines re-done at mpire performance in Hempstead they did it for a fair price n the leaking stop I've Been running the car hard all day today n not one drop of of oil,jus try doing the crank seal over again n see can't hurt to try that but I'm confident it will stop after
Imma give this another try thank you so much this seems to be it, that’s why I couldn’t figure it out, replaced the crank seal like 2 months ago maybe doing something wrong. I will let you guys know
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      01-23-2019, 08:08 PM   #80
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Imma give this another try thank you so much this seems to be it, that’s why I couldn’t figure it out, replaced the crank seal like 2 months ago maybe doing something wrong. I will let you guys know
Wow Mark! I'm sorry! This has been such a pain for you! At this point if this is me I would remove belt, all pulleys, harmonic balancer, hook up battery charger and run the engine until I see the oil starting to leak.
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      01-23-2019, 08:21 PM   #81
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Wow Mark! I'm sorry! This has been such a pain for you! At this point if this is me I would remove belt, all pulleys, harmonic balancer, hook up battery charger and run the engine until I see the oil starting to leak.

I could give that a try but I’m certain it’s gotta be this I mean it makes so much sense now the belt throwing oil underneath that lip, no cracks, head gasket is dry , oil filter housing dry ,

And thank you man it’s beem a night mare
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      01-23-2019, 08:36 PM   #82
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Quote:
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Quote:
Originally Posted by feuer View Post
Wow Mark! I'm sorry! This has been such a pain for you! At this point if this is me I would remove belt, all pulleys, harmonic balancer, hook up battery charger and run the engine until I see the oil starting to leak.

I could give that a try but I’m certain it’s gotta be this I mean it makes so much sense now the belt throwing oil underneath that lip, no cracks, head gasket is dry , oil filter housing dry ,

And thank you man it’s beem a night mare
Me too it's been a nightmare for me too,hit up mpire performance,they do good job for a decent price n they got at wht they do u can find them on Instagram at mpireboyz
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      01-23-2019, 08:38 PM   #83
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Quote:
Originally Posted by MarkN54 View Post
Quote:
Originally Posted by feuer View Post
Wow Mark! I'm sorry! This has been such a pain for you! At this point if this is me I would remove belt, all pulleys, harmonic balancer, hook up battery charger and run the engine until I see the oil starting to leak.

I could give that a try but I’m certain it’s gotta be this I mean it makes so much sense now the belt throwing oil underneath that lip, no cracks, head gasket is dry , oil filter housing dry ,

And thank you man it’s beem a night mare
If hu can't find them just pm me n Sen u the info
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      01-23-2019, 09:01 PM   #84
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If hu can't find them just pm me n Sen u the info
I found them thanks man! You’ve been such a help and thanks to everybody else as well! Who said bmw drivers are assholes?! 😂😂 just kidding guys
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      01-24-2019, 07:52 AM   #85
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If hu can't find them just pm me n Sen u the info
I found them thanks man! You’ve been such a help and thanks to everybody else as well! Who said bmw drivers are assholes?! 😂😂 just kidding guys
Lol no prob bro know u gotta share we info help a fellow bimmer driver
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      01-24-2019, 11:18 AM   #86
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Lol no prob bro know u gotta share we info help a fellow bimmer driver
From the crankseal leaking again.... wow what a mess I started to laugh when I saw oil there, chasing this leak for months and this was the problem the whole time, it’s always something stupid
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      01-24-2019, 01:13 PM   #87
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Originally Posted by SPEEDRACER/n54 View Post
Lol no prob bro know u gotta share we info help a fellow bimmer driver
From the crankseal leaking again.... wow what a mess I started to laugh when I saw oil there, chasing this leak for months and this was the problem the whole time, it's always something stupid
Lol car all good now ?? Told u that was the culprit
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      01-24-2019, 01:23 PM   #88
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From the crankseal leaking again.... wow what a mess I started to laugh when I saw oil there, chasing this leak for months and this was the problem the whole time, it’s always something stupid
Man I'm happy for you that you at least found the resolution/source of it haha.

And it's always fun for people following the thread to finally know what it was!
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