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#1
07-25-2025, 01:49 PM
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Oil smoke after CCV replecement
Hi everyone, my car recently started blowing smoke and having a rough idle or even turning off itself. So I replaced the CCV and vacuum lines and also found out someone put a bolt where the flap goes in disa valve and replaced that as well.
After job it would smoke on start up and heavy load, but I thought that was ok since there was a lot of oil everywhere and I didn't clean it. Now that was about 2 weeks ago (about 200km traveled) and my car still blows smoke, but only on start up and sometimes small puff of smoke on heavy load. Could it be valve stems? I have a few other problems, and I would greatly appreciate it if you could help me out: Fuel consumption is 17-18 L/100km down from 20 after CCV, which is kind of the consumption I was getting in my e38 750i Also engine makes this noise https://streamable.com/ujvayg It is 2002 3.0i with 400k+ km Here is pic of disa if anyone is interested https://imgur.com/a/EzIEejY
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2002 E53 3.0i AT Sold: 1996 E39 525i MT 1995 E38 750i AT 1997 E39 520i MT 2005 E61 525D AT Last edited by Kradac; 07-25-2025 at 02:12 PM. 
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#2
07-25-2025, 02:12 PM
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It could be valve stem seals. Maybe keep track of the oil consumption. Sometimes the piston rings will get a bit stuck and cause some oil consumption but often some "enthusiastic driving" will cure that.
 Is the CEL on? Do you have a proper scan tool that will read all the codes?
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1988 325is (purchased new) sold 2004 X5 3.0 2005 X3 2.5 2008 X5 3.0 (new to me)
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#3
07-25-2025, 02:32 PM
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I did had to top up oil (3L) couple days ago after I heard clicking sound from engine (no low oil level warning on dash). Now I don't know if it got low after or before since there was a lot of oil below the CCV valve
No warnings on dash and I didn't really have a lot free time to scan for codes. Update: I scanned for error codes and there is misfire for 4 5 and 6 cylinder and also this: 
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2002 E53 3.0i AT Sold: 1996 E39 525i MT 1995 E38 750i AT 1997 E39 520i MT 2005 E61 525D AT Last edited by Kradac; 07-26-2025 at 03:26 PM.
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