2002 BMW 530i Sport E39 - starting problems - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 07-05-2009, 05:08 PM
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2002 BMW 530i Sport E39 - starting problems

Hi - sorry this is my 1st post
I have a 2002 BMW 530i E39 - it starts from cold fine but occasionaly after a short run - it wont start up. The engine turns over and I can hear the fuel pump running but it does not fire up. If I leave it for a while and go back to it - it starts. I have chnaged and air filter. - but its made no difference. Because its so intermittent - it is hard to diagnose - for example - it wasnt starting so I took one coil off, plugged a spark plug in and checked it sparked - it did - but the car started as well!

Any ideas

Thanks in advance.
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#2 (permalink) Old 07-12-2009, 01:28 AM
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Strange, have the same car with around 350,000Km on it, but have not experienced such problem. I had a bad experience with the chaging motor & replced it two times.

With my limited experience, I advise you to do the following:

Check the charging motor.
Check the battery connections & claen the connectors.
Remove all spark plugs, claen them & put them back in again.

update us on the progress ...
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#3 (permalink) Old 07-12-2009, 03:56 AM
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Not a power problem - starter turns over fast when it doesnt start. - Have changed the battery anyway, but no difference to the fault. Also put a new set of plugs and filters in. Have also changed the crankshaft sensor. Will be changing the 2 camshaft sensors next. Its only done 70,000 miles and never been abused.
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#4 (permalink) Old 07-12-2009, 05:35 AM
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Have you taken it to an experience mechanic?
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#5 (permalink) Old 07-12-2009, 07:05 AM
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Yes but because it is an intermittent fault - it is almost impossible to diagnose.
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#6 (permalink) Old 07-12-2009, 09:03 AM
OMFG another one!?
 
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witeshark is just really nice witeshark is just really nice witeshark is just really nice witeshark is just really nice witeshark is just really nice
Maybe it's an unreliable connection in the ignition system.

BMW

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