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7 Series - E65 / E66 (2002 - 2008)
Discussion of BMW's 4th generation E65/E66 7 Series flagship. The E65 generated much controversy, due to its radical styling and iDrive user difficulties. Nonetheless, the E65 broke records to become the best-selling 7-series iteration ever, especially after its 2005 facelift.

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  #1  
Old 05-11-2016, 11:31 AM
paulkim paulkim is offline
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Location: Gaithersburg
 
Join Date: Apr 2016
Posts: 9
Mein Auto: 750li
CCV/PCV/CVV Whatever it might be called, 10 min. DIY

Hello guys,

I would like to share a very easy and successful DIY for CCV/PCV/CVV with you all.
Those who have experience; squealing noise coming from the engine bay when you stop and put your foot on the brake pedal, rough idle when start the engine, or/and lowering engine oil level, you may have bad CCV/PCV/CVV.

This is either $25 or $50 DIY, if you need to replace both side CCV.
Mine had only one bad, so it was $25 DIY.


You will need; 10mm, and flat head screw driver, glove, a rag.
It will take about 15 min. to complete the entire job.

1 - Identify which side the squealing noise is coming from

2 - Remove the engine cover (Use 10mm socket, there are four of them on the top)



3 - Remove the side covers (Just pop straight up, there are two snaps that hold it)



Those two teeth are stuck inside the rubber grips, so it can be removed straight up



4 - Clean the cap and surroundings (Just make sure nothing would be sucked in)



5 - Remove the cap (There are six clips that hold the cap in place)

If you are sure which side of your CCV is bad, okay to break one or some clips.
The new part comes with a new cap.
You can break one, then twist the cap little bit. It will come off.

If you would not want to break the clip, just use your flat head screw driver.
Prop at least 4 clips that you can easily reach out.
Then, twist the cap little bit. It will come off.



6 - Check the gasket

Mine was completely torn apart.



7 - Remove the spring (Clean the excessive oil residue with a clean rag_



8 - Replace the unit

Left side is the new part, and the right is my old junk
Just sit the spring on, close it with the orange gasket.



8 - Close the cap

You may want to hear six clipping sounds to make sure the cap is securely sit tight.



9 - Assemble everything back in.

10 - Congrats!


There are some e-tailers who sell the CCV at $35 for both.
However, I would recommend to get them from your local BMW dealer.
If only one is bad, you can always return another.
You don't need to keep one for years.
If CCV goes bad again? another $25, and you know which one is bad.

$25 for one side, $50 for both side.
15 min. job.
You are good to go.

Thanks, and enjoy your ride.

Last edited by paulkim; 05-11-2016 at 11:35 AM.
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  #2  
Old 05-11-2016, 01:01 PM
markbimmer markbimmer is offline
Officially Welcomed to the 'Fest
Location: San Antonio
 
Join Date: Mar 2015
Posts: 196
Mein Auto: 2006 BMW 750li
good write up! this will help many
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  #3  
Old 05-11-2016, 01:31 PM
paulkim paulkim is offline
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Location: Gaithersburg
 
Join Date: Apr 2016
Posts: 9
Mein Auto: 750li
I just love to share cuz i have learnt tons from the forum. Its kinda paying back.
Thanks for your compliment!
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  #4  
Old 05-15-2016, 03:55 AM
rnbguy rnbguy is online now
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Location: sydney
 
Join Date: Nov 2014
Posts: 13
Mein Auto: f30
nice write up, would be good to see a write up for the n63.
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cvv, diy, e66 ccv, pcv


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