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  #1  
Old 12-30-2014, 09:36 AM
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Join Date: Dec 2014
Location: Asheville, NC
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bimmernut3 is on a distinguished road
Just finished Valve Cover gasket replacement

Good morning fellow X3'ers. I just finished the VC gasket replacement on my daughters '07 X3 3.0si (N52B30O1). Lots of good info & write-ups on this procedure if any care to do the job. I wanted to post what I found would be helpful to others that want to do this repair them selves.
Our X3 is new to us but is what I call a high mileage car with 133k on it when we bought it. It was a BMW CPO car, so I had all the records that from BMW. I got it a good price, so felt I could fix the leaks & change all the fluids to my daughter would have a car to drive back & forth to our local college. One point to make, IF you X3 has a black plastic valve cover, you do NOT need to replace the screws. The earlier engines that have a aluminum/magnesium VC use aluminum mounting screws & are a one time use. You will need a good set of TORX sockets and will need a short small one to remove the bottom screw for the valvetronic motor. One of the hardest items to remove was the oil separator hose at the back of the VC. hard to reach & very difficult to "squeeze" to get it to release. Be careful removing this or you'll have to buy a new one if you break it.
Here is a very good YouTube video that I used. Let me know if you have any questions. Oh, I also replaced the Valvetronic motor seal & the cam location sensor gaskets. ALL gaskets were HARD as a rock. After so many heat cycle, they become very hard & brittle. That's why they leak. Here's a link to the YouTube video as the embedded isn't showing up when I preview this post.
http://youtu.be/tdtnG1kqtjo

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  #2  
Old 04-04-2015, 06:49 AM
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Know it's been a while since you did this, but thanks for the info. I'll be doing this when my car arrives soon.
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Old 04-05-2015, 11:05 PM
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bimmernut3 is on a distinguished road
@ Court X3...Let me know if you have any questions that I might help with
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Current garage
'07 X3 3.0si 133k
'05 330Cic 44k ZHP
'01 540i 40k 6 speed M sport
'92 535i 49k 5 speed
'04 Chevy Trailblazer EXT 97k
'96 Chevy Z71 62k
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  #4  
Old 05-26-2015, 10:57 AM
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Join Date: May 2015
Location: oakland, ca
Posts: 1
dhow76 is on a distinguished road
Thank you

Great information. This job wasn't as bad as I thought it was going to be.

I did have one mistake and started my car without checking the ignition plugs were all the way in. Had one that wasn't fully seated and car ran rough when first starting. Checked the plugs, pushed in and started up smooth as silk.
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