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BMW 3-Series (E90 E92) Forum
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Anyone want to know what a Vanos solenoid looks like?
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05-19-2010, 10:13 PM | #1 |
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Anyone want to know what a Vanos solenoid looks like?
Been having occasional limp modes followed by the P0015 code which reads camshaft over-retarded. Dealer couldn't reproduce the problem so I decided to replace them myself. Very easy DIY. Basic remove and replace. Problem is fixed as well.
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05-19-2010, 10:20 PM | #3 |
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Do you have the instructions? How did you know you needed to replace the solenoid?
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05-19-2010, 10:32 PM | #5 |
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Excellent. If you have some steps that you could tell us, more excellent.
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05-20-2010, 01:41 AM | #7 |
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05-20-2010, 07:44 AM | #11 | |
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strange.. it looks like to me that #1 (the solenoid) includes the o rings, but they can be purchased separately as #2. |
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05-20-2010, 07:48 AM | #12 |
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I have a Bentley service manual, so I can look later to see. I dropped the tranny using the manual, so it should have the info needed.
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05-20-2010, 09:08 AM | #13 |
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FYI, when you buy the solenoids the gaskets come with or at least they did with mine. Both of the solenoids are right next to each other. In the diagram they only show one but list two items for each part number. If you look at the parts diagram you will see that original solenoid was replaced with a new part number I think after summer of 08. I have a 2/07 build so I had the original part number solenoids on my car. To replace them I removed the plastic engine cover and the air intake snorkel just to give myself some room. The solenoids are attached to the block by one 10mm bolt each. Remove the bolt and the wire harness and they just slide right out. Be sure to put a rag underneath as a little bit of oil will come out with the solenoid. Also be sure to do this when the engine is cold.
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05-20-2010, 09:33 AM | #15 | |
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05-20-2010, 09:42 AM | #16 |
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I heard its not this simple...... to swap them is one thing but I asked the same question and somehow there is more to this system than just the solenoids.
I don't understand it fully yet but the swap is simple for sure. To remove them is easy for sure. To make them stop coding your car.... its suppose to be more involved. Again, I don't know why tech told me its 40 min labor to swap, 4 hours to replace??????? |
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05-20-2010, 09:44 AM | #17 | |
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05-20-2010, 09:49 AM | #18 |
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05-20-2010, 10:00 AM | #19 |
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In the older cars (E36 and E46) the seals in the actuators would become worn, preventing the actuator from properly adjusting the cam to the requested angle. This could cause CEL's, poor performance, and funny vanos noises.
This type of thing usually isn't until ~100k miles though.
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05-20-2010, 10:01 AM | #20 |
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a lot of people have had the bearing ledges replaced in accordance w/ a service bulletin. apparently grooves get worn into them and inhibit oil flow.
that is a much larger job... part numbers 5 and 6 are the bearing ledges - they get scored at the front engine side Last edited by mwahlert; 05-20-2010 at 11:01 AM.. |
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05-20-2010, 10:04 AM | #21 |
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Yikes!! That does NOT look like a fun job!
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05-20-2010, 10:58 AM | #22 |
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Correct, some people have had to have the ledges replaced and that probably is not a DIY unless your are pretty hard core and have a few special BMW tools. I have the Bentley manual and you need a couple BMW tools to remove them IIRC. Fortunately, since BMW updated the solenoid part # this seems to be the cause of the majority of the Vanos related issues especially on cars with relatively low miles (<80K). All I know is that I could easily get my car to limp by accelerating hard and now everything is fine and it seems to be running better overall (smoother idle, etc...).
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