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Crank no start

Old 12-29-2018, 07:50 PM
  #1  
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My Ride: 05 530i m tech 6 speed
Default Crank no start

Long story short, I moved my car around the driveway (like 20 feet) and then let it sit for 3 days as I had family over for the holidays. I went to go start my car and it cranks but will not start. I have checked the fuse and itís good. I have tested the relay and itís also good. I am not getting a power reading on the white and blue wire on the pump connection though. If I put my power probe where the relay goes, I do not get a reading where the bottom prong of the relay goes. I tried changing the crankshaft position sensor and it still wonít start. What do I do?
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Old 12-29-2018, 08:26 PM
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I would put the old one cos back in and check the battery. When trying to start the car use the other key
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Old 12-29-2018, 10:05 PM
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Well the battery was good (I think) because it was cranking strong. After messing with it for so long though I did kill the battery. I will fully charge the battery tomorrow and try another key although my other key has only worked for about 20% of the time that Iíve owned the car. The car goes thru phases where it recognizes the key sometimes but most of the time it doesnít
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Old 12-30-2018, 07:14 AM
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Usually when I have that issue it's the battery. Longer cranks mean the battery is not strong enough. How old is the battery? My car sits for weeks at a time and when I don't put it on a tender it takes a while to crank or I have to charge it to get it to crank.
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Old 12-30-2018, 07:41 AM
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I wonder if itís flooded? Twice on my E46, if I start it on s cold day and move it around the driveway it wonít restart later. Turns out since itís cold and sprays more fuel in but the block isnít warm enough to vaporize it, the fuel sits. For that car I crank it with the throttle fully depressed and that puts it in flood mode where it shuts off the fuel injectors and allows you to just pump air through the motor and get that fuel out. Sorry if it doesnít help you, itís just helped me twice with that M54.
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Old 01-04-2019, 05:02 PM
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So I tested the battery and it was completely dead and wasnít holding any charge when I put my charger on it so I went to the dealership and bought a new one. Threw it in hoping that would be it and unfortunately it still wonít start. It gets SO CLOSE to starting but it just doesnít. I donít know what to do. New to this so I donít know if the video will upload but I took one of how itís acting
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Old 01-04-2019, 05:08 PM
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Update: I can get it to start for like a second if I keep trying but it always shuts off
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Old 01-04-2019, 05:20 PM
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How load is the noise the pump makes on this thing? Because I have the rear seat out and I still donít hear anything when I put the key in and like I said, the white and blue wire isnít getting power but the fuse and relay are tested and good
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Old 01-04-2019, 06:30 PM
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Was the battery registered or you just put it in. Was it the same size also?
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Old 01-04-2019, 06:31 PM
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Do you have INPA software
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