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Valve cover gasket replacement

Tiny
NASER NASER
  • MEMBER
  • 2011 BMW 550I
  • V8
  • TURBO
  • 2WD
  • AUTOMATIC
  • 175,000 MILES
V8 twin turbo N63 I assume, smell oil after every drive, seems like there is oil around the valve cover gasket. Any idea on good instructions on how to tackle it? I know this is going to be a pain but am willing to do it.
Wednesday, February 5th, 2020 AT 9:20 AM

9 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
I included the process for the valve cover gaskets. They are not too complicated but sounds like it is the issue. Clearly if there is oil coming out there then it needs to be corrected because that should not happen.
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Wednesday, February 5th, 2020 AT 2:57 PM
Tiny
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  • 836 POSTS
Thank you. Do you know what it means in the third picture and others when it says: join screw 1?
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Wednesday, February 5th, 2020 AT 3:17 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
It means to get the screw started when putting the sensor in so that it is positioned properly.
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Wednesday, February 5th, 2020 AT 6:29 PM
Tiny
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Oh I see, the language got me, and what about position screw one and the lose it 90 degrees?
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Wednesday, February 5th, 2020 AT 6:33 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Same type of thing. Make sure the screw is in straight. 90 degrees in relation to the mounting surface. Just start the screw and make sure it goes in straight.
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Wednesday, February 5th, 2020 AT 7:07 PM
Tiny
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  • MEMBER
  • 836 POSTS
I started taking things apart and I noticed the side of the valve cover isn't showing any leaks, but the back top where a sensor is inserted. Also around the pictures attached, is this the turbo cooler or what do you call it? Can't remember, but it also shows oil on bottom of it. This picture shows the part and on the bottom of it is a big hose and where a lot of oil is. Only the first picture, forget the rest.
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Sunday, February 9th, 2020 AT 5:13 PM
Tiny
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Forget these.
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Sunday, February 9th, 2020 AT 5:14 PM
Tiny
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  • 836 POSTS
This sensor has oil around it
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Sunday, February 9th, 2020 AT 5:17 PM
Tiny
JOETECHPRO
  • MECHANIC
  • 705 POSTS
Hey NASER NASER,

The sensor you have a leak from looks to be a camshaft position sensor.

You may be able to get a new seal for this sensor or you may have to replace the sensor.

Your best bet here is to go to a BMW dealer to identify the part and replace. The picture you have should help and if you can physically show them it will make easier.

With oil leaks it is best to start from the highest spot where you can visually see signs of oil leaking.

Once you have replaced the seal clean the leak area and drive to confirm you have fixed the leak.

Regards, Joe
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Monday, February 10th, 2020 AT 8:28 AM

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