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Old 04-24-2021, 09:52 AM
Fifty150hs Fifty150hs is offline
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Quote:
Originally Posted by cn90 View Post
I decommission the CCV system and modified using "BavarianE39 CCV Mod"..
No more oil consumption.

Easy easy mod, you should read that long thread on the weekend...
I've done the mod and I'm not convinced it works as advertised. I put a catch can into the system and it intercepts quite a bit of oil. Oil that would have been going directly into the intake and being burned. Not to mention screwing up the fuel air mixture because it doesn't get accounted for by the computer.

After I did the mod I was still doing some freeway driving. My oil usage did not go down significantly. The last 5k miles have been almost exclusively non-freeway driving. I used 1 liter in those 5000 miles. Doing some research and BMW says this would be expected. Around town driving consumes less oil.

I have to take my X in for a smog check in the next week or two. If I get called on the mod, I will have to go back to stock. If I do, I will continue monitoring oil consumption and see if changes.
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