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Old 01-01-2018, 08:26 PM
Join Date: Jan 2018
Location: Calgary
Posts: 1
YYC E53 is on a distinguished road
CCV and hydraulic locked engine

About 5 days ago I was driving my 2003 X5 E53 home from the airport after it sat out for a week at extremely cold temperatures.
On the highway it lost power and completely died. Wouldn't turn over at all. I had it towed to a shop to find out a few days later that the engine was seized and needed to be replaced.
I had searched my symptoms here and found enough material on a CCV failure to not trust the shop's opinion. I got it towed home and got it started again after vacuuming the oil out of the cylinders with a makeshift shopvac oil separator. It fired up right away but of course is smoking like crazy burning off the oil. Aside from the smoke it's running as smooth as ever!
It seems to have burned off most of the residual oil but I took it out on the highway tonight to test it and I'm getting a lot of smoke and clearly burning oil based on my dipstick.
I have the parts on order but am wondering if anyone knows if I can easily bypass the line that joins the dipstick to avoid the oil being sucked up into the CCV and into the intake?

Any other suggestions to make it drive-able until the parts arrive?

Thanks for the help.
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Old 01-01-2018, 09:08 PM
Join Date: Mar 2016
Location: Saskatchewan Canada
Posts: 933
80stech is on a distinguished road
The CCV drain needs to be below the oil level to create an air lock for the system to work. Not much you can do except replace with the cold weather parts or change the whole system.
1988 325is (purchased new)
2004 X5 3.0 (new to me) 2005 X3 2.5 (new to wife)
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Old 01-01-2018, 11:02 PM
Join Date: Jun 2014
Location: Omaha, NE
Posts: 1,333
cn90 is on a distinguished road
- My 2006 X5 M54 6spMT with 115K miles was consuming 1qt/400 miles. Brand-new CCV did nothing to the oil consumption.

- Did the CCV mod 1 year ago, since then and 10K miles later, zero oil consumption.

- Cost was around $50 including the Duralast PCV Valve.
I posted my mod in thread #164 below:

1998 E39 528i 5sp MT
2006 E53 X5 3.0 6sp MT
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ccv oil separator, help needed

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