Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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  1. #1
    Join Date
    Jan 1970
    Location
    Chicago
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    304

    Milk or condensation?

    Hey guys, I had my mechanic change out the CCv for me, including the dipstick line with a cold weather version of the unit. I did it cause when it was cold as ballz my car would honk once in a while like it was a goose. I went to check my oil, and saw yellow residue on it. This wasn't the milk i usually see that's pretty viscous, but it was more like goop. it was also on my oil fill cover, and i knew that there was some condensation, but it seems excessive. I can't look that deep into my coolant reservoir because of the level sensor. so how can i tell if i have milk and a huge bill coming up other than draining oil?

  2. #2
    Join Date
    Dec 2010
    Location
    Hanover, PA
    Posts
    2,024
    An oil analysis done by Blackstone Labs should raise any flags if you have coolant in the oil - higher than normal sodium.

    http://www.zhpmafia.com/forums/showt...t=oil+analysis

    Have you needed to add coolant more frequently?

    Might not be a bad idea to change out the oil, get it tested, and change it out in another 500-3000 miles (based on the results of the first test), followed by a second test.

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  3. #3
    Join Date
    Jan 1970
    Location
    Chicago
    Posts
    304
    I've been adding cooland slowly, i think about 1 cup maybe every 600-700 miles. I'm pretty certain that i'm leaking coolant because it blows cold when i don't have the engine revved. Would oil in the coolant lines give a smell when blowing through the air vents? I will get the oil tested anyways just to see how it looks before and after seals are done and such. i'll be doing overhaul of the cooling system as well as VCG and vanos rebuild, but if i need to tack on the headgasket it just will get more and more interesting..

  4. #4
    Join Date
    Dec 2010
    Location
    Hanover, PA
    Posts
    2,024
    Sounds similar to the issue I was having. I could smell coolant through the vents - the cap on the expansion tank was relieving pressure that was building up in my system. Turns out the previous owner overheated it and damaged the heads/head gasket (still undetermined). The combustion side of the engine was pressurizing the coolant side - and relieving out of the cap. My mechanic found it by replacing the expansion tank cap with a pressure test fitting he made, hose, and pressure gage - ran it up to the drivers side door and then proceeded to drive down the road (with the hood cracked) and watched pressure climb in the cooling system.

    Do you know if the engine has ever been overheated? Any signs of coolant in the engine compartment (white, chalk-like residue on the underside of the hood or cooling hoses)?

    Hankook Ventus V4's 205/55/16 | 16" BMW OE Style 45's | ECSTuning 15mm Spacers | Thule 45050 Crossroad Rack | Thule 870XT Fairing | LLumar 35%/20% Tint
    Custom Vienna Austria Euro Plate | GoMiniGo "No-Holes" License Plate Bracket | Smoked License Plate Cover | Black License Plate Frame | Khoalty LED License Plate Lights


  5. #5
    How was yours in comparison to this?



    That's what I found in mine and this is with the Cold Weather CCV done (except dipstick). I haven't noticed any problems; seems to be fine. If it isn't a good amount worse I probably wouldn't worry about it. Just go on a 20 minute + drive and it should clean it up.


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  6. #6
    Join Date
    Jan 1970
    Location
    Western WI
    Posts
    3,059
    Take her out and stretch her legs a bit. Try to avoid the short trips that don't even get the car warmed up.

  7. #7
    Join Date
    Jun 2011
    Location
    Newport, Rhode Island
    Posts
    19
    Quote Originally Posted by Kudos View Post
    Hey guys, I had my mechanic change out the CCv for me, including the dipstick line with a cold weather version of the unit. I did it cause when it was cold as ballz my car would honk once in a while like it was a goose. I went to check my oil, and saw yellow residue on it. This wasn't the milk i usually see that's pretty viscous, but it was more like goop. it was also on my oil fill cover, and i knew that there was some condensation, but it seems excessive. I can't look that deep into my coolant reservoir because of the level sensor. so how can i tell if i have milk and a huge bill coming up other than draining oil?
    happens when you go go short rides often and do not warm the car up either. If you go for a long ride all the moisture should burn off.
    2004 330ci ZHP, Leather, Jet Black, 6 speed, Black Cube, Dinan Intake, 39k miles
    Brand New Michelin Pilot Super Sports. BMW motorsports front and rear rotors to be installed.
    car will be for sale this year

  8. #8
    Join Date
    Jan 1970
    Location
    Liberty Township, OH
    Posts
    37,935
    Quote Originally Posted by mimalmo View Post
    Take her out and stretch her legs a bit. Try to avoid the short trips that don't even get the car warmed up.
    +1

    HTC Thunderbolt+TT
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim

  9. #9
    Join Date
    Jan 1970
    Location
    Chicago
    Posts
    304
    Just to finish out the thread for future reference, after oil change and temperature raised, everything seems fine now. just condensation no warpage (thank the zebra gods). Now just to tackle the other maintenence.

  10. #10
    Join Date
    Jan 1970
    Location
    Liberty Township, OH
    Posts
    37,935
    Autozone.com
    Quote Originally Posted by Kudos View Post
    Just to finish out the thread for future reference, after oil change and temperature raised, everything seems fine now. just condensation no warpage (thank the zebra gods). Now just to tackle the other maintenence.
    Good deal. Kudos.

    HTC Thunderbolt+TT
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim

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