Start KO, please help

Honza83

Honza83

Fahrer
Registriert
13 Januar 2011
ponny greet all and please advice,
330i E85
- The car on Friday all of a sudden could not start, lights, everything works, after several attempts, we opened the hood and then shut up and then he jumped right - strange, as if a contact?
yesterday after a weekend parking in the garage again today and nothing well. We have tried through the jumper cables, nothing torch will be OK, everything OK, the lights are on, after a while turning off the LED flashlight and oil, in turn to start nothing happens, silence,
We tried both master keys, nothing, after ignition, everything runs just fine, the lights, the engine buzzing as normal, pushing the fuel. The car is not done nothing.
car is in top condition, fuses OK, mileage origo 85 000, 2004.
what to look for, it seems to me like a random glitch sporadic, if it is blocked by the starter or start ..
car normally worked full time with no problem, what should we focus?
I do not believe that suddenly stopped working imo.. :(

yesterday:
- Starter so we checked with mirrors, there is access, it looks like new, and out of contact based cables are free from corrosion and oxidation, mothers are also without damage,
- Skeleton on the engine but we found looking at all the visible cables - show no corrosion or oxidation, are firmly fastened,
- We are dismantling the ignition box, interior is like new, all metal and plastic parts in the dashboard are clean

another observation: when the ignition lights are gradually extinguished, light oil and batteries and, moreover, the symbol of light bulbs, such as occurred yesterday, however after several attempts, the symbol of light bulbs did not show up today, can it somehow be related?
 
hi

how old is the battery?
how much voltage the battery has?

charge it and then try again.

.
 
battery is ok, I tried starting over jumper cables, nothing, silence,
car is in top condition, like new,
 
Hello honza (?),

I think it´s the starter :#.

I´ve had a similiar problem, with the new starter it´s gone and the Zetti is healthy again :t. bananahuge:
 
Do you think that? You had the same symptoms? Is there a way to identify a bad starter?

- Now we disconnected the battery for about 6min, join and again silence, wobbles, and after switching off the lights, light oil and battery after trying to start a quiet, no clicking, does not rotate.
 
Honza83 schrieb:
Do you think that? You had the same symptoms? Is there a way to identify a bad starter?
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If the battery is o.k.and the car does nothing while trying ro start the car with your key: THEN it is the starter!

Go to your local BMW-dealer - or better let him come to your car :w (my dealer did it :t).
 
Maybe you can give the starter a little slap with a hammer or something, while a other person is starting the engine.
Worked fine for testing purpose on my old e30 with m20 engine..
But I dont know if this still works on starters for m54 engine
 
joerg schrieb:
Maybe you can give the starter a little slap with a hammer or something, while a other person is starting the engine.
Worked fine for testing purpose on my old e30 with m20 engine..
But I dont know if this still works on starters for m54 engine
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Good hint :t.
The BMW-mechanic also tried this at my car....unfortunately it did work :#.
But maybe you´re luckier, I also suggest you should try it.
 
OK, I'll bang into the starter when turning the ignition key in position for starting.
Someone advised me, as it may be the bad contact in the ignition. Somewhere in the ignition. Is this possible?
 
Hi Honza83,
This spring I had the same symptoms: all lights on and when I tried to start => complete break down.
To cut the story short: the negative pole of my battery was loose. I figured that out after I bought a new battery. So I would suggest that you check the negative wire. Especially also the contact at your starter.

Good luck and please keep us informed
Winni
 
Of course, I will inform you :)
I briefly checked the cables, the car is in the garage, is as new. I do not think that was a cable is disconnected. Everything is clean and free of corrosion and oxidation. The car is treated fairly, no destruction, etc.
Recap: On Friday it happened the first time. It was not started, I opened the hood, closed, and suddenly started the car. I left a few times I stopped, switched off the engine, started it and drove off. Everything OK.
Then the car was two days of the weekend in the garage and it does not start at all. :(
 
Do you have an alarm system in your car?! May be the connector has a (electrical) short/defective contact. I think that this could be the only reason why an opening hood "makes your engine run".
 
I understand what you write. It is also a mystery to me .. But now when I open and close the hood, so it will not start .. It may be in contact hood lock? Last week I sprayed preservative (WD40) on the electrical contacts in all the locks and cables.
 
Hi again,
You write your car is from 2004. Just a question: is it the first battery? If yes - I'm pretty sure that it is the root cause.
The lifetime of a normal car battery is about 5 years.
Do you have the possibility to put in another one (from a friend maybe)? Yes - I saw that you think the battery is o.k. :)
Please note that it is not like in former times. You don't recognize when the battery becomes empty. All the control units you have in your car work (down to the min. voltage) or not. There is no "a little bit working" anymore.

Best regards
Winni
 
OK. I understand. But. On Sunday I bought on the pump jumper cables, connected to father's car, fathers car started, let run about 5 minutes, and tried starting the Z4. Absolutely nothing. Silence.
 
Hmm, I don't know the corect word, but have you checked the "elcetrical imobilizer system" yet?

So: if the engine don't start, take a friend/father and try to push-start your car. If it runs, it is not the "electrical imobilizer system" :)
 
Honza83 schrieb:
I understand what you write. It is also a mystery to me .. But now when I open and close the hood, so it will not start .. It may be in contact hood lock? Last week I sprayed preservative (WD40) on the electrical contacts in all the locks and cables.
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Maybe you used to much of WD40..It also works as contact spray and maybe can cause temporary shortcuts.
Please let me know, if I am wrong..
 
mk82 schrieb:
Hmm, I don't know the corect word, but have you checked the "elcetrical imobilizer system" yet?

So: if the engine don't start, take a friend/father and try to push-start your car. If it runs, it is not the "electrical imobilizer system" :)
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My experience with the immobilizer is another: When having trouble with it, I could start the engine (starter worked!), engine ran for a very short time (about one second), then engine was stopped (like key turned off).

So, if the starter doesn't work at all, I would assume that the immobilizer is not the reason.
 
joerg schrieb:
Maybe you used to much of WD40..It also works as contact spray and maybe can cause temporary shortcuts.
Please let me know, if I am wrong..
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Something like that also I think. I am thinking so that the car was up to now in order, no defect. After I sprayed WD40 could cause electric shock? If it was it, how to solve it? Disassembled and cleaned the whole car? I can not. :(
 
Did you already doublecheck with another battery? It doesn't cost anything and I'm pretty sure that your problem will be solved.

If you wanna go the hard way and check your wire harness - o.k. Maybe it helps that you first check whether a marten destroyed a wire. This may cause electric probs especially in combination with the WD40.

Good luck
Winni

btw: really nice wheels :t
 
Honza83 schrieb:
Something like that also I think. I am thinking so that the car was up to now in order, no defect. After I sprayed WD40 could cause electric shock? If it was it, how to solve it? Disassembled and cleaned the whole car? I can not. :(
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In order to remove the WD40 from your connectors, disconnect the battery, unplug every connector and use compressed air to get rid of excessive WD40. Maybe you can leave the connectors unplugged for some days (if you own a garage) to let them try.

But at first I would test battery and starter, because its less complicated!
 
z4Winni schrieb:
Did you already doublecheck with another battery? It doesn't cost anything and I'm pretty sure that your problem will be solved.

Good luck
Winni

btw: really nice wheels :t
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I would be very happy if it was just a bad battery. But if it was a bad battery, it would start the car through jumper cables.&: However, I will try a new battery, but I am skeptic.
 
So bad. Battery is not. Now I tried a new battery and nothing. Lights on - battery and oil, turn the key, nothing happens. Silence. Otherwise everything else works.
Tomorrow probably will come from BMW technician with diagnosis, so I'm curious. Similarly, it probably does not help. :(
 
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