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2008 BMW X5 4.8L Hard Starting Problem

Discussion in 'E70 X5 (2007-2013)' started by 343532, Sep 27, 2013.

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    Hello, As the mornings have slowly started getting colder, here in Michigan, I have had some intermittent issues with hard starting on my 2008 X5 4.8L It will crank for an extended amount of time and then stall. When I try to restart it it will crank for an even longer amount of time. After a few tries it ail start. This happens consistently during cool mornings.
    Yesterday, for the first time, it happen in th evening (after I left the car outside and I was at a business dinner). I told the dealer and he thinks it is bad fuel. I have run my tank down to 'E' and have changed fueling stations with no effect. Any suggestions would be appreciated.
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    Terry Sayther

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    Check for vacuum leaks with a smoke tester
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    • Technical Service Advisor


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    Follow what terry said and I would also check fuel pressure.

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