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General E46 Forum
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 04-30-2010, 10:51 AM   #21
HighPod
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yeah i was thinking that about the head gasket i would have some more serious issues.

i am in the proccess of getting the radiotor, hoses, water pump, thermo., new CCV and hoses, and belts, and whatever else i can think of while i have it all dissambled

i drove the car around last night for about 15 min. im gonna check the plugs today to see if there is any oil on the sparking end
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Old 04-30-2010, 02:39 PM   #22
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Something to think about, if you are going to SC it anytime soon, might as well get the stewart pump.
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Old 04-30-2010, 03:30 PM   #23
rowdy lee
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and so...

... how's the frame rust on your Toyota?
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Old 04-30-2010, 06:30 PM   #24
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yeah i was thinking that about the head gasket i would have some more serious issues.

i am in the proccess of getting the radiotor, hoses, water pump, thermo., new CCV and hoses, and belts, and whatever else i can think of while i have it all dissambled

i drove the car around last night for about 15 min. im gonna check the plugs today to see if there is any oil on the sparking end
...and lots of cleaner for icv and DISA if not TB
and oil filter housing gasket? heater hoses? (forget whichever one in in center back of engine...must be impossible to get off).

BTW, non-cold climate version is prolly fine for you...have to say I ended up removing the insulated boot and foam on the upper valve that goes to vc on mine.

Have fun when you get to it! I could continue the list with o-rings/gaskets and grommets if you want!
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Old 04-30-2010, 06:43 PM   #25
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I would guess VCG leak is a lot more likely to leak oil onto the tops of the spark plugs than a head gasket leak. The VCG includes two rubber pieces that sit between the spark plug wells on the head and the spark plug holes on the Valve Cover. If they get brittle they can let oil leak from the area above the valve train into the spark plug wells. I would think a blown head gasket is more likely to leak oil into the combustion chambers which would get the bottoms of the spark plugs oily, not the tops where the coils connect to the plugs. Blown head gasket could also lead to oil smoke in the exhaust, coolant contaminating the oil (or oil contaminating the coolant), and lower compression.

If you're really worried about your head gasket, buy a compression gauge ($12 to $40 at auto parts store or Harbor Freight) and do a compression check, which requires removing coils and spark plugs. Or have an indie Euro/BMW mechanic do a leak-down test. But I'm guessing with a new VCG (as long as you replaced the two pieces that cover the 6 spark plug holes) and a new CCV, you should not have any more leaking oil around your plugs.
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Old 04-30-2010, 09:07 PM   #26
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I would guess VCG leak is a lot more likely to leak oil onto the tops of the spark plugs than a head gasket leak. The VCG includes two rubber pieces that sit between the spark plug wells on the head and the spark plug holes on the Valve Cover. If they get brittle they can let oil leak from the area above the valve train into the spark plug wells. I would think a blown head gasket is more likely to leak oil into the combustion chambers which would get the bottoms of the spark plugs oily, not the tops where the coils connect to the plugs. Blown head gasket could also lead to oil smoke in the exhaust, coolant contaminating the oil (or oil contaminating the coolant), and lower compression.

If you're really worried about your head gasket, buy a compression gauge ($12 to $40 at auto parts store or Harbor Freight) and do a compression check, which requires removing coils and spark plugs. Or have an indie Euro/BMW mechanic do a leak-down test. But I'm guessing with a new VCG (as long as you replaced the two pieces that cover the 6 spark plug holes) and a new CCV, you should not have any more leaking oil around your plugs.
the oil is on the sparking end of the plugs in the combustuion chamber
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Old 05-02-2010, 11:46 PM   #27
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Ah my bad--oil on sparky tips of plugs would suggest head gasket or CCV failure. The CCV system takes extra vapor from the crankcase and routes it back into the intake. It's supposed to separate out most of the oil so the vapor goes back into the intake to be burned up in the cylinders while the oil returns to the oil pan, I think via a rubber tube going to the bottom of the metal dipstick tube. If the CCV valve fails it can dump extra oil into the intake, which would get the throttle body, DISA, and cylinders oily.

Could still do a compression or leak-down test if you think head gasket is blown. Or as other advised, replace CCV first and see if oil goes away.

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the oil is on the sparking end of the plugs in the combustuion chamber
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Old 05-03-2010, 11:06 AM   #28
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a compression test is being done wed. with a brake flush.

i was told that when i replace the CCV i should replace the dipstick tube but BMW wants to charge 250 for it and the girl said i can just take it off and cleann it real good.
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Old 05-03-2010, 11:55 AM   #29
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... how's the frame rust on your Toyota?
Probably a lot better than the tearing rear sub frame mounts, broken rear shock mounts, mushrooming front strut mounts, or ripping out sway bar mounts on our cars. E46s are sweet but maintenance wise it takes quite a bit to keep them in good shape.
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Old 05-03-2010, 12:32 PM   #30
HighPod
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Probably a lot better than the tearing rear sub frame mounts, broken rear shock mounts, mushrooming front strut mounts, or ripping out sway bar mounts on our cars. E46s are sweet but maintenance wise it takes quite a bit to keep them in good shape.
last time i was under the Tundra about 2 months ago rust didnt seem that bad, no flaking. tho i'll tell u waht tho the nuts and bolts car companies use especially on O2 sensors need to be rust resistant. its bulltshit that the nut for that gets oxodized down to a little nubbin of metal.
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