e46 330i Touring - HELP!

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Gavla
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Post Tue Jun 03, 2014 11:48 am

So over the week end I ended up with a dead car....

Saturday morning I had to boost start my car. No problems and I drove to my destination fine.

When it came time to leave the battery was dead so I tried to boost start it again. No luck. dash lights came on but engine would not turn over and no clicking front the starter motor, just nothing!

Tried to jump start it, nothing. Recovery vehicle pulled me around the block to try and jump start it, nothing.

I have recharged the battery, nothing...

I have tried to boost start again, nothing...

I have connected 1 month old Bosch S5 battery, nothing...

Any body with any suggestions please let me know as I am sending it in tomorrow and want to be able to know what they are looking for...

Many Thanks, Gavin
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bss325i
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Post Tue Jun 03, 2014 1:31 pm

Does the engine crank?

If not then possibly either Starter motor, ignition switch or an EWS (immobiliser) fault.
http://www.bmrperformance.co.uk

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Gavla
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Post Tue Jun 03, 2014 1:52 pm

Engine does not crank, there is nothing except a very feint click.

Ok so what to check first? Process of elimination...

Thanks
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Brianmoooore
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Post Tue Jun 03, 2014 2:19 pm

When you say 'dead', do you mean everything dead? Not even interior lights or parking lights?
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bss325i
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Post Tue Jun 03, 2014 2:55 pm

If there is a feint click when cranking then it sounds like the starter motor has failed.
http://www.bmrperformance.co.uk

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hennared323i
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Post Tue Jun 03, 2014 3:17 pm

Feint?

What, we on military manouvers here?

Sorry, couldn't help myself :D

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Gavla
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Post Tue Jun 03, 2014 3:29 pm

Brianmoooore wrote:When you say 'dead', do you mean everything dead? Not even interior lights or parking lights?
All lights work, engine / starter / crank dead...
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M-sport325
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Post Tue Jun 03, 2014 3:40 pm

Solidnoid not kicking into the starter , I would talk the starter off & bench test it direct off a battery
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bss325i
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Post Tue Jun 03, 2014 4:45 pm

diable wrote:
bss325i wrote:If there is a feint click when cranking then it sounds like the starter motor has failed.
Should start by push jumping the car shouldn't it?
If its a manual and its just the starter that's at fault then yes.
http://www.bmrperformance.co.uk

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Gavla
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Post Tue Jun 03, 2014 5:29 pm

So my car is working again... :D

Anyone want to hazard a guess as to what the problem was?
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Gavla
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Post Tue Jun 03, 2014 7:19 pm

No guesses, ok...

Turns out it was the chip in the key that was not able to be read by the immobiliser thereby not allowing the car to start.

Isn't technology wonderful.
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bss325i
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Post Tue Jun 03, 2014 7:46 pm

I did say EWS fault.
http://www.bmrperformance.co.uk

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Andyboy
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Post Tue Jun 03, 2014 9:47 pm

Gavla wrote: Anyone want to hazard a guess as to what the problem was?
It's an E46. :D
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mcbonio
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Post Fri Jun 06, 2014 4:57 pm

Usually you can fix the key by dropping it from waist height onto the floor....
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alpinachris
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Post Fri Jun 20, 2014 12:25 pm

So what was the fix? new key,
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Morat
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Post Mon Jun 23, 2014 11:50 am

Don't the keys charge when they're in the ignition?
Although... I don't know if the engine needs to be running.
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Gavla
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Post Tue Jun 24, 2014 12:18 am

Yes the key charges while in the ignition and the ignition on.

However even if the battery is fine, if the micro chip is not able to let the immobiliser know that it is the correct key then it will not start the car.

I sent the key off to a guy on fleabay to fix for £21...unfortunately although all the lights now come on, it still does not turn over. My other key starts the car but does not remotely lock the car so I use both keys at the moment...
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