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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E46 (1999 - 2006)

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 10-10-2011, 04:49 AM
Kamikaze1 Kamikaze1 is offline
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Location: Brisbane, Australia
 
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Mein Auto: 318i E46
Engine turned off 10 times today

My car has 140,000km in mileage and has been serviced every 25,000km by BMW dealer.
It is 318i with 4 cylinder engine.
The problem I have often experienced is;

1. Turn on the ignition
2. The engine dies off 2 seconds after turned on.
3. Start again
4. Die again

If this problem happens, it continue up to 10 times.
The car needs a new PCV hose and valve due to leakage.

I wonder if this issue has anything to do with leaking PCV system.
Appreciate your help.
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  #2  
Old 10-10-2011, 08:40 AM
jcourcoul jcourcoul is offline
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Since this probably occurs when the engine is cold, methinks the dead CVV took out the ICV when it went kaput. Besides getting the damn CVV replaced, remove the ICV and clean it out completely, so it can do its job of properly regulating the idle speed. If it is so gummed up that can't be cleaned, replacement will be in order.
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  #3  
Old 10-10-2011, 09:14 AM
im im is offline
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Quote:
Originally Posted by Kamikaze1 View Post
My car has 140,000km in mileage and has been serviced every 25,000km by BMW dealer.
It is 318i with 4 cylinder engine.
The problem I have often experienced is;

1. Turn on the ignition
2. The engine dies off 2 seconds after turned on.
3. Start again
4. Die again

If this problem happens, it continue up to 10 times.
The car needs a new PCV hose and valve due to leakage.

I wonder if this issue has anything to do with leaking PCV system.
Appreciate your help.
yes very likely
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  #4  
Old 10-10-2011, 06:22 PM
ventsyv ventsyv is offline
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I would guess camshaft positioning sensor. Had similar problem - no codes or anything

Last edited by ventsyv; 10-11-2011 at 12:04 PM. Reason: CAMshaft, not crankshaft
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  #5  
Old 10-11-2011, 12:46 AM
KenG KenG is offline
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Quote:
Originally Posted by ventsyv View Post
i would guess crankshaft positioning sensor. Had similar problem - no codes or anything
+1
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  #6  
Old 10-11-2011, 06:25 AM
Kamikaze1 Kamikaze1 is offline
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Location: Brisbane, Australia
 
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Mein Auto: 318i E46
Shall I get a new CPS or just clean it

When you guys had this issue, did you get a brand new replacement or just cleaned the sensor?

I will start with CPS, then move to PCV or CCV.

Thanks for your input.

By any chance, does anyone know where CPS in 318i is located?
I think I will have to buy a Hayns repair manual.
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  #7  
Old 10-11-2011, 07:40 AM
ventsyv ventsyv is offline
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There is nothing to clean. The sensor is a piece of plastic, maybe 1 inch square. I just got a new one from getbmwparts.com - it was about $100. If you wait long enough, eventually you'll get a code. Mine did it about a week or so of daily shutoffs. Search my threads, you'll see it, not maybe 2 or 3 weeks back. The code indicated intake camshaft sensor. There is also an exhaust one - I don't know if the exhaust one can cause the symptoms.
I found that you can drive the car if you keep it in a lower gear so the RPMs are around over 2k. When you stop at traffic lights, you can rev up the engine a bit. It's kind of complicated with a automatic transmission but on a manual it should be fairly easy to do.
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  #8  
Old 10-11-2011, 11:48 AM
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goosefoot33 goosefoot33 is offline
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Quote:
Originally Posted by ventsyv View Post
I would guess crankshaft positioning sensor. Had similar problem - no codes or anything
IIRC, if your crankshaft sensor is kaput, the car will not even turn over. Do you mean CAMshaft position sensor?

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  #9  
Old 10-11-2011, 12:03 PM
ventsyv ventsyv is offline
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Ops, sorry yeah, I meant camshaft not crankshaft ... I don't know what I'm talking about today ...

Last edited by ventsyv; 10-11-2011 at 12:05 PM.
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  #10  
Old 10-21-2011, 05:42 PM
Kamikaze1 Kamikaze1 is offline
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Location: Brisbane, Australia
 
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Mein Auto: 318i E46
Thanks for all your comments.
Does this fault of CPS affect automatic transmission?
I have just had warning for shift electronics.
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  #11  
Old 10-21-2011, 10:04 PM
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bluebee bluebee is offline
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Do your E46 M54 engines have an SAS system & SAS valve?

Anyway, if it's the CPS, then these from the bestlinks may help:
- How to replace your camshaft position sensor (CPS) in the E39 (1) (2) (M62) & E46 (1) & ('99 740iL)
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  #12  
Old 10-22-2011, 08:55 AM
Kamikaze1 Kamikaze1 is offline
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Location: Brisbane, Australia
 
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Mein Auto: 318i E46
Thanks a lot, BlueBee.
I have gone through your links and they are very good write-ups.

Mine is 318i E46 with a M43 engine.
I have already ordered a Hayne service manual but it will take a week to be delivered here from UK.
If you know this engine, can you please locate CPS for me.

Many thanks from DownUnder
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  #13  
Old 10-22-2011, 09:57 AM
Kamikaze1 Kamikaze1 is offline
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Location: Brisbane, Australia
 
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Posts: 84
Mein Auto: 318i E46
I have found where both Camshaft and cranshaft PS are from Pelican website.

I will also check the DME if it is dirty or flooded.

Someone has also indicated this issue can be related to the stuck electronic fan for DME.

I heard whinning fan noise before engine turn-on when I had under-power accelation with high fuel consumption level.
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  #14  
Old 11-23-2012, 04:33 AM
Kamikaze1 Kamikaze1 is offline
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Mein Auto: 318i E46
Telltale lamp (shift electronics) has comes back

Last time when I had telltale lamp on, I did not find the cause. But the problem I used to have has eventually disappeared without further problems and I haven't had this warning since then. Particularly, the starting engine has been very smooth since I replaced the spark plugs.
However, I had very hard braking today to avoid bumping into another car.
After driving another 2km, I parked the car for 6 hours and then tried to start the engine. Suddenly , I had this telltale lamp on and was not able to start the engine. After 3 or 4 times of attempts, the engine was turned on and I drove the car for another 1 km without hiccup or slipping gear and parked it at home.
Now I can't start it at all. The rpm needle goes all the way to the other end in ignition 2 position though the engine doesn't start at all.
I suspect the following issues for this problem.
1. A bit of coolant from heater inlet hose behind the engine drips onto the transmission housing.
2. The battery is possibly dying
3. Loose or broken cable connection due to G-force caused by the hard braking.

By the way, I did not have any reversing issue with my auto.

Last edited by Kamikaze1; 11-25-2012 at 02:55 AM.
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  #15  
Old 11-23-2012, 12:07 PM
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Quote:
Originally Posted by Kamikaze1 View Post
Last time when I had telltale lamp on, I did not find the cause. But the problem I used to have has eventually disappeared without further problems and I haven't had this warning since then. Particularly, the starting engine has been very smooth since I replaced the spark plugs.
However, I had very hard braking today to avoid bumping into another car.
After driving another 2km, I parked the car for 6 hours and then tried to start the engine. Suddenly , I had this telltale lamp on and was not able to start the engine. After 3 or 4 times of attempts, the engine was turned on and I drove the car for another 1 km without hiccup or slipping gear and parked it at home.
Now I can't start it at all. The rpm needle goes all the way to the other end in ignition 2 position before the engine start-up. The engine does start at all.
I suspect the following issues for this problem.
1. A bit of coolant from heater inlet hose behind the engine drips onto the transmission housing.
2. The battery is possibly dying
3. Loose or broken cable connection due to G-force caused by the hard braking.

By the way, I did not have any reversing issue with my auto.
I assume they have code scanners in Australia ?

And, you`re describing several different unrelated problems in the same paragraph. Choose the most critical one, concentrate on diagnosing and fixing THAT problem, rather than taking the "shotgun approach"....
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  #16  
Old 11-25-2012, 03:11 AM
Kamikaze1 Kamikaze1 is offline
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Location: Brisbane, Australia
 
Join Date: Jun 2011
Posts: 84
Mein Auto: 318i E46
My Bimmer is back on the road

Very weird. I haven't done anything but only have troubled bimmer left in the garage over 24 hours. Now it is working without any erratic idling or any warning signs.
After lengthy investigation in this forum, someone suggests that the same warning sign appears when the voltage is not normail. Others suggest the same problem attributes to dirt in the harness. When I had the same issue last time, I simply washed or cleaned leaked coolant around the harness and sensors. Then the warning sign disappeared.
I still don't know what caused this problem last time and this time.
Could be dirt, leaked coolant or hard braking.
Anyway, my problems are at least all related and the problem is fixed for now without replacing CPS or cleaning ICV.
Hopefully, this issue does not happen again.
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