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General E46 Forum
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Old 07-26-2016, 02:04 PM   #1
j0r5h
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Vanos trouble codes persist

Hey guys, I've been trying to solve this issue for months, and just can't seem to get to the bottom of it.

I have the SES light on, with error code:

P0015 "B" Camshaft Position - Timing Over-Retarded

In PA Soft, the error code reads:

28BC/A1 - Exhaust camshaft bank1: stiff

So far:

I replaced the exhaust camshaft sensor
I did the vanos seals
Replaced exhaust solenoid

in that order...
The trouble code remains the same and so are the symptoms: really rough idle when cold and horrible fuel consumption.

I bought the cam sensor on ebay and it did day it was OEM, but it's ebay so maybe it wasn't? I also didn't do the rattle fix on the vanos, as far as I can tell, I'm not getting that rattle noises. What's next to try? Replace the whole VANOS unit?
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Old 07-26-2016, 04:26 PM   #2
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Buy an OE (Original Equipment) CPS - I believe it is VDO Siemens. OEM means Oriental Essentially Malfunctions
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Old 07-26-2016, 06:08 PM   #3
j0r5h
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Quote:
Originally Posted by BMW-North View Post
OEM means Oriental Essentially Malfunctions
Haha. In the listing it did say it was OEM, perhaps they lied.

I see on eeuroparts.com two listings:

This one says "OEM supplier" and it's on sale for $22
http://www.eeuroparts.com/Parts/9948...uSQaAq2P8P8HAQ

And this one is "Genuine BMW"

http://www.eeuroparts.com/Parts/8365...-12147518628G/

Is it safe to pick the first one or just go straight with the second option??

Thanks BMW-North! I knew you'd probably reply, ha.
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Old 07-26-2016, 07:45 PM   #4
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im curious. What model do you have. I had a similar issue when i got my m3. It was the vanos solenoid harness clip in my situation. 30k miles later. Still no cel
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Old 07-26-2016, 08:35 PM   #5
j0r5h
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Quote:
Originally Posted by Goat-4-Sale View Post
im curious. What model do you have. I had a similar issue when i got my m3. It was the vanos solenoid harness clip in my situation. 30k miles later. Still no cel

2003 325i m56 engine.


Edit: I know this is covered under the SULEV warranty. My local dealer and BMW NA refused to honor it earlier this year. I am an immigrant living in the US and as far as I know, I don't have full constitutional rights and can't pursue legal action.

Last edited by j0r5h; 07-26-2016 at 08:41 PM.
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Old 08-01-2016, 12:27 PM   #6
j0r5h
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Update:

Bought and installed OEM cam sensor again. Same code came back almost immediately. Anything else that could be causing it?
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Old 08-01-2016, 12:39 PM   #7
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that means maybe mechanical?
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Old 08-01-2016, 12:45 PM   #8
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maybe this video will give some light on problem
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Old 08-01-2016, 12:47 PM   #9
j0r5h
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Quote:
Originally Posted by mlody View Post
that means maybe mechanical?
You mean the camshaft itself is toast?

Edit: Watching video. Posted this before noticing your second response :O

Last edited by j0r5h; 08-01-2016 at 12:53 PM.
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Old 08-01-2016, 01:05 PM   #10
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timing off maybe? or tensioner
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Old 08-01-2016, 01:21 PM   #11
j0r5h
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Quote:
Originally Posted by mlody View Post
timing off maybe? or tensioner
that was a great video. I watched the second part too.

Coincidentally, I am also getting a MAF error code on the secondary air side. (P2430) Didn't mention it because I thought it was not relevant. The car had had those codes since I bought it in march, so I don't know when either of them popped up or if it was at the same time.


When I did the vanos seals the chain looked fine. Do you know what's the average cost of having the chain re-timed? that goes beyond my abilities
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Old 08-01-2016, 01:32 PM   #12
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sorry but I live in UK and all the stuff DIY including engine rebuild.
Click links next to my picture I've got some videos and making more so You might find something for you?
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Old 08-01-2016, 01:36 PM   #13
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Ps. if you done vanos yourself ,timing it's not rocket science just need to have timing tool which todays is not so expensive.I'll be posting video HOW TO.....
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Old 08-01-2016, 02:10 PM   #14
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Quote:
Originally Posted by mlody View Post
Ps. if you done vanos yourself ,timing it's not rocket science just need to have timing tool which todays is not so expensive.I'll be posting video HOW TO.....


Can't wait.
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Old 08-01-2016, 02:17 PM   #15
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Hope You guys like or even sub my channel ,I've got many idea for videos like how to understand code readers-scanners before buying parts,MAF ect. basics for beginners and advanced stuff(some already on- engine teardown)
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Old 08-01-2016, 07:38 PM   #16
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Quote:
Originally Posted by j0r5h View Post
The car had had those codes since I bought it in march
I bet the previous owner pulled the head and didn't have the camshafts timed properly when reinstalling.
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Old 08-02-2016, 03:28 PM   #17
j0r5h
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Quote:
Originally Posted by BaliDawg View Post
I bet the previous owner pulled the head and didn't have the camshafts timed properly when reinstalling.

now that you mentioned I think I remember him saying he did work on the head gasket.





Update: I spoke to an indy over the phone and he said I might have bent valves. Should I just give up and sell the car as is? How much can I realistically get?
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Old 08-02-2016, 03:58 PM   #18
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If the engine has bent valves it would probably idle rough and have other trouble codes.

Does the car have a manual transmission?

Usually the head is removed if the engine was over heated or the car has a manual transmission and was money shifted.

If the head was removed, chances is there may be a cam timing problem?
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Last edited by jfoj; 08-02-2016 at 03:58 PM.
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Old 08-02-2016, 04:04 PM   #19
j0r5h
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It idles rough when cold.

The only other code is the P2430 about secondary air injection I mentioned a few posts above.

He did say his daughter overheated it and that he worked on the engine bc of that. He is the owner of a shop or at least works at one so I trusted his work. Honestly, with all the half-assed things I found, I would not even trust him on the passenger seat of any car. Haha

It is automatic
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Old 08-02-2016, 06:50 PM   #20
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Quote:
Originally Posted by j0r5h View Post
now that you mentioned I think I remember him saying he did work on the head gasket.

Update: I spoke to an indy over the phone and he said I might have bent valves. Should I just give up and sell the car as is? How much can I realistically get?
Don't give up. Do compression and leakdown tests. You'll see if she's holding compression and if the valves are leaking or not. Stay calm and investigate.
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