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My BMW is turning over but won't start, fuel pressure is as it should and the there is no faults showing except for 4 glow plug on, but I'm told this shouldn't stop the car from starting, any ideas what the problem may be?

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    More details about the car? Year/model/egine/miles? – Pᴀᴜʟsᴛᴇʀ2 Sep 29 '16 at 0:04
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    And whay is the ambient air temperature when you are attempting to start? Glow plugs might be necessary for starting. – SteveRacer Sep 29 '16 at 1:20
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    It would also help to know recent work on the car. I assume it is a diesel? How vigorously is it turning over? Some ECUs don't start injecting fuel until a certain speed is reached and a low battery might not be able to make the speed. Would also be worth having someone look at the exhaust. Do you smell fuel? Is there a faint haze/cloud? Did this come on suddenly? – dlu Sep 29 '16 at 4:42
  • Sorry for the late reply, its a 2005 525d recently has gotten the ecu replaced as the last one had water damage, that's when fuel pressure became normal again. Car is cranking at a good rate, fuel is getting to the injectors, car needs gasket around manifold and thats it – Oggy Quinn Sep 29 '16 at 21:52
  • Car used to be slow to start first thing but once going it was fine this lead to starter burning out and hasn't went since – Oggy Quinn Sep 29 '16 at 21:54

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