Staring problem with BMW 520i year 1998 help please

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sandrea - 05 Jun 2007 18:44 GMT

HI i have BMW 52oI in lovely condition it goes well but has one problem
which is annoying me can you help please If i get my car out of the garage
and then switch it off straight away it will not start again my garage says
this is a problem with this model and it must be run for a while and not
switched off straight away is this right it seems so silly please help
sandrea

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Fred W - 05 Jun 2007 20:32 GMT

> HI i have BMW 52oI in lovely condition it goes well but has one problem
> which is annoying me can you help please If i get my car out of the garage
> and then switch it off straight away it will not start again my garage says
> this is a problem with this model and it must be run for a while and not
> switched off straight away is this right it seems so silly please help
> sandrea

It's not a problem with just that model. It is a problem with almost
all fuel injected BMWs and many other fuel injected cars. So just don't
do it. If you start the car, drive it.

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-Fred W

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Oscar@nowhere.com - 05 Jun 2007 22:01 GMT

>> HI i have BMW 52oI in lovely condition it goes well but has one problem
>> which is annoying me can you help please If i get my car out of the garage
[quoted text clipped - 6 lines]
>all fuel injected BMWs and many other fuel injected cars. So just don't
>do it. If you start the car, drive it.

He is right. The tendency is for the fuel line to get pressurised and when the
engine is stopped it is still pressurised so next time the fuel pump won't
switch on until the fuel line pressure is lowered.

As he said - drive it..................Varooooooooooooom

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Dave Plowman (News) - 06 Jun 2007 00:33 GMT

> He is right. The tendency is for the fuel line to get pressurised and
> when the engine is stopped it is still pressurised so next time the fuel
> pump won't switch on until the fuel line pressure is lowered.

That's total bollocks. ;-) There is no pressure switch - the pump runs all
the time. A regulator controls the pressure and 'spare' fuel is circulated
back to the tank.

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*Many hamsters only blink one eye at a time *

Dave Plowman dave@davenoise.co.uk London SW
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Dave Plowman (News) - 06 Jun 2007 00:29 GMT

> HI i have BMW 52oI in lovely condition it goes well but has one problem
> which is annoying me can you help please If i get my car out of the
> garage and then switch it off straight away it will not start again my
> garage says this is a problem with this model and it must be run for a
> while and not switched off straight away is this right it seems so silly
> please help

Correct. They all do that, ma'am. But knowing that just don't do it. ;-)

It will start if you use full throttle and churn until it does. But as
soon as it catches lift off.

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*Don't use no double negatives *

Dave Plowman dave@davenoise.co.uk London SW
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