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Author BMW help.
Twitch
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Registered: 3rd Nov 09
Location: Flitwick, Bedfordshire
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28th Mar 14 at 21:45   View User's Profile U2U Member Reply With Quote

So i have a 325 e46 bmw and today while at work its decided to not start. All the lights come on pumps kick in etc etc but as soon as i turn the key to fire the starter there is just nothing.

Not been able to jump start it or bump it ( pushing and towing ) i've reprogrammed the key. Took the battery off and on and basicly everything else you can think of. Now i wasn't able to run a wire directly to the starter to see if it would kick it in but that would be the next step i think.

Still has anyone heard of this problem before? is it something common that i have not heard about. Any help/advice would be greatly appreciated.
tom130691
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Registered: 13th Sep 08
Location: Daventry
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28th Mar 14 at 21:48   View Garage View User's Profile U2U Member Reply With Quote

starter motor would be my call, that said just had to do one on the astra for similar reasons

if it was immobilised it would show a light on the dash? and normally it would crank
Ian
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Registered: 28th Aug 99
Location: Liverpool
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28th Mar 14 at 21:50   View Garage View User's Profile U2U Member Reply With Quote

If it doesn't bump, its not the starter.
kristyrosenberg
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Registered: 5th Aug 13
Location: CHESHIRE
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28th Mar 14 at 21:58   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Twitch
So i have a 325 e46 bmw and today while at work its decided to not start. All the lights come on pumps kick in etc etc but as soon as i turn the key to fire the starter there is just nothing.

Not been able to jump start it or bump it ( pushing and towing ) i've reprogrammed the key. Took the battery off and on and basicly everything else you can think of. Now i wasn't able to run a wire directly to the starter to see if it would kick it in but that would be the next step i think.

Still has anyone heard of this problem before? is it something common that i have not heard about. Any help/advice would be greatly appreciated.


I had a problem like this with my older BMW this was a E46 318I though - mine would start sometimes not all and when I was driving would sometimes just cut out and then not start again - I have a friend who's a BMW specialist and mine ended up just being sensors. Id get it the computer if you know anyone near you….
I got rid not long after I had a constant oil leak that I kept mending - then my header tank and radiator went… Pain in the butt
ShEp
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Registered: 9th Aug 05
Location: Dingwall, Highland
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28th Mar 14 at 22:32   View User's Profile U2U Member Reply With Quote

Souns like crank sensor or immobiliser
Dave
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Registered: 26th Feb 01
Location: Lancs
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28th Mar 14 at 22:36   View User's Profile U2U Member Reply With Quote

If it was crank sensor I think it would still turn over, just not fire.

Immobiliser seems likely.
Twitch
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Registered: 3rd Nov 09
Location: Flitwick, Bedfordshire
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28th Mar 14 at 22:56   View User's Profile U2U Member Reply With Quote

yeah so so basicly what i've been thinking. I got a spare key which i will try when im able to get to where i left it. I can also plug it into a computer whilst down there but no warning signs have shown up -.-.
just very lucky to have some good friends who managed to recover me from work drop the car off and get me home. Has been a very stressful day
kristyrosenberg
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Registered: 5th Aug 13
Location: CHESHIRE
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29th Mar 14 at 07:51   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Twitch
yeah so so basicly what i've been thinking. I got a spare key which i will try when im able to get to where i left it. I can also plug it into a computer whilst down there but no warning signs have shown up -.-.
just very lucky to have some good friends who managed to recover me from work drop the car off and get me home. Has been a very stressful day


Mine was the sensors (Crank) i think, We changed a few - it was about 3 years ago now - no signs shown up on mine - just cut out when it wanted and wouldn't start again - its a very common fault in the E46 shape.
After that it ran perfectly fine…
3CorsaMeal
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Registered: 11th Apr 02
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29th Mar 14 at 10:29   View User's Profile U2U Member Reply With Quote

Ignition switch maybe.
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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29th Mar 14 at 22:28   View User's Profile U2U Member Reply With Quote

Fuel pump.
daymoon
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Registered: 1st Aug 08
Location: Selby, North Yorkshire
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29th Mar 14 at 22:57   View Garage View User's Profile U2U Member Reply With Quote

Did the lights dim when you tried to start it? Any clicking noise?

Even if immobiliser has kicked in it would turn over.

The fact that it doesn't - suggests that starter motor is kaput or is not getting power.

[Edited on 29-03-2014 by daymoon]

[Edited on 29-03-2014 by daymoon]
FlaFFy_91
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Registered: 30th Sep 08
Location: Formby, Merseyside
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31st Mar 14 at 11:10   View Garage View User's Profile U2U Member Reply With Quote

correct me if im wrong but if it was a crank sensor it would cut out when its hot then fire up once cooled?
thats what a crank sensor usually does anyway
wont be the starter motor as a starter motor would'nt stop it from being bump started

best thing to do would be to plug it in and see what it comes back with
kristyrosenberg
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Registered: 5th Aug 13
Location: CHESHIRE
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31st Mar 14 at 17:27   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by FlaFFy_91
correct me if im wrong but if it was a crank sensor it would cut out when its hot then fire up once cooled?
thats what a crank sensor usually does anyway
wont be the starter motor as a starter motor would'nt stop it from being bump started

best thing to do would be to plug it in and see what it comes back with



Yes that sounds about right, my old one just did it straight away and still was a crank sensor - i had loads changed and it kept doing it then that was the last sensor and it stopped - it would do it on corners or motorways pain in the arss.

Only thing that ever lasted long enough was getting it on the computer and resetting.
i even changed my fuel filter
daymoon
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Registered: 1st Aug 08
Location: Selby, North Yorkshire
User status: Offline
31st Mar 14 at 18:45   View Garage View User's Profile U2U Member Reply With Quote

FFS. read that he hasn't tried to bump start it.

Where did you put jump leads?

Boot or engine?

[Edited on 31-03-2014 by daymoon]

 
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