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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 10-07-2012, 02:38 PM
md1_61 md1_61 is offline
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What not to do

I purchase this 2006 325CI with 128000 mile about 4 or 5 months ago. When I removed the oil filter housing cap the first oil change (the day I got it) I knew the PO had not taking care of oil changes. I have been changing the oil every 500 or so mile to try and clean her slowly. Well I had a small oil leak starting around the oil filter housing and this is what I found, I had cleaned the housing when the wife came out and took a few pictures.
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  #2  
Old 10-07-2012, 04:17 PM
bigugly fab bigugly fab is offline
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Hope your Vanos doesn't die soon after doing that. Go get some BG engine flush and run it, or sub out a quart or two of transmission fluid to get that sludge out
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  #3  
Old 10-07-2012, 10:12 PM
GoForthFast GoForthFast is offline
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Feel for you running into an engine like that.

Just read that the myth of using trans fluid to clean out an engine is dangerous.
Never put anything other than oil in. Maybe with engine flush to idle with.
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  #4  
Old 10-08-2012, 05:16 AM
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smolck smolck is online now
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Quote:
Originally Posted by GoForthFast View Post
Just read that the myth of using trans fluid to clean out an engine is dangerous.
Not a myth. I've done it several times. The key is not to do anything more than idle.

Safer still is Lubro Moly's engine flush treatment. Comes in a kit for about $100 and if I was the OP I'd do it right away. Napa carries it.
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now, go burn your Man Card, and buy yourself a Camry....
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  #5  
Old 10-08-2012, 08:21 AM
spicytofu spicytofu is offline
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seafoam?
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  #6  
Old 10-08-2012, 08:35 AM
TannerT TannerT is offline
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Originally Posted by spicytofu View Post
seafoam?
Seafoam is great stuff. Its not as complex as its hyped to be though, it is pretty much kerosene. If you have alot of miles pour half a bottle in the crankcase a few days before an oil change(unless you have a pretty long drive to work.) Then pour the rest in and let it idle I. The driveway with some revs Nd change oil. I've done this on every car once a year. Rub a little through the gas tank and into the vac lines. Great stuff to clean a motor.

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  #7  
Old 10-08-2012, 01:19 PM
e46_platform e46_platform is offline
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Quote:
Originally Posted by smolck View Post
Not a myth. I've done it several times. The key is not to do anything more than idle.

Safer still is Lubro Moly's engine flush treatment. Comes in a kit for about $100 and if I was the OP I'd do it right away. Napa carries it.
that seems slightly different from what bob said before


here's the exact quote i recorded as a reference for myself to run the procedure eventually:


Quote:
OP, how long have you owned this car? What was the oil consumption like in the past? If the problem isn`t with the CVV (the usual cause), then the oil-control rings (on the pistons) are likely not doing a great job, and the oil is being burned in the combustion chamber. This scenario is normally traceable back to inadequate break-in because of the use of synthetic oil during break-in, it doesn`t allow for enough friction to "scuff-in" the rings against the cylinder walls.There IS a possibility you can improve things by trying the following procedure:

When it`s time to change your oil (and when it`s a quart low), add a quart of ATF, and run the engine at fast idle (around 2000-2500 RPMs) for 15 or 20 minutes. Drain oil, install a new filter, and some good dino oil like Castrol GTX 10W-40. Run this oil for 3000 miles, and during this period, drive it *agressively*, running it up to redline frequently. After 3000 miles, change oil & filter, switching back to your normal synthetic oil, and see if you note any improvement.
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  #8  
Old 10-08-2012, 07:53 PM
bigugly fab bigugly fab is offline
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One quart of atf will be diluted enough to not kill anything while revving it up.
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