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This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 01-08-2013, 11:29 PM   #1
Registered User
Join Date: Mar 2009
Location: albany,ny
Posts: 3
My Ride: 2004 BMW 325xi
Unhappy Frozen CCV failure, do I need a new engine?

Hey guys, I had a pretty serious issue with my E46 and I'm looking for some advice. I have a 2004 325xi with about 80,000 miles on the clock. Yesterday I started the car up to make a quick trip, and after driving for a few blocks I was at a stop light and my engine begins to lose RPM's and begin to die. I tried revving the engine while at the light but it ended up dying. It didn't want to turn over but I was able to get it started while pumping the gas. I immediately knew there was something wrong with the engine, it idled terribly and tons of smoke poured out the exaust. I immediately pulled over and had the car towed to a mechanic I usually use.

Today I got a call from him. He said that he examined the engine and one of the cylinders was filled with oil. He believes this was caused by a frozen CCV, as I live in upstate NY (Albany) and it has been cold recently. He stated that he drained the oil from the cylinder by removing the spark plug, but there was still a large amount of smoke coming out of the exhaust, which he believes indicates that the piston and its oil ring had been damaged. He advised he believed the only way to repair it would be to rebuild the engine or replace it with a used engine.

My question is if these are really my only options? When I searched for this issue, I saw others had had it and simply needed to drain the oil and replace the valve. Is it possible the smoke is just left over oil and the engine could be ok? Could the oil cause piston damage that would require a rebuild? He advised that rebuilding the engine would be a waste of time due to the labor involved and advised getting a used engine and having him do the swap. He quoted me 5,000+ for the whole thing, which would include the used engine, new belts and everything for that,a new CCV and thermostat (which apparently is throwing coded) What do you guys think? Either way that sounded like a high estimate for a swap so if I have to go that route I would probably look for another shop, any suggestions in the upstate NY area?

Thanks for the help!
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