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E60 (2004 - 2010)
BMW 5-Series (E60 chassis) was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E60 is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 05-08-2014, 12:00 PM
destinys destinys is offline
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Location: texas
 
Join Date: May 2014
Posts: 16
Mein Auto: 2004 545i
Unhappy Please help

My 2004 545i won't start it used to just do it once in awhile then it started doing it every month then every week then everyday. Usually you just keep trying then it would eventually start, and if that didn't work I would have to start it by getting a push since its a manual it would start up when you let the clutch out but now it is not starting at all. Its cranking but not starting.... what could it be?
Crank shaft senor?.... the car runs fine. It idles a little but its always done that.
Cylenoid?... when it was starting it would over start...
That's all I could guess. But how do I know for sure?
Please Help!
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  #2  
Old 05-08-2014, 02:10 PM
bimmerfan52 bimmerfan52 is offline
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Location: Arizona
 
Join Date: Feb 2012
Posts: 884
Mein Auto: 545i
Quote:
Originally Posted by destinys View Post
My 2004 545i won't start it used to just do it once in awhile then it started doing it every month then every week then everyday. Usually you just keep trying then it would eventually start, and if that didn't work I would have to start it by getting a push since its a manual it would start up when you let the clutch out but now it is not starting at all. Its cranking but not starting.... what could it be?
Crank shaft senor?.... the car runs fine. It idles a little but its always done that.
Cylenoid?... when it was starting it would over start...
That's all I could guess. But how do I know for sure?
Please Help!
Cranking but not starting falls into two categories: Cranking too slow to start and cranking at a speed sufficient to start.

Assuming you are cranking the engine fast enough to enable starting, the other two components you need are fuel and spark.

If the lack of starting comes and goes then I would tend to discount the possibilities of either a fuel system deliver problem (pump, pump relay, clogged filter) and look at the spark delivery.

One item that can prevent starting and be intermittent on the 8 cylinder models is the IVM or Integrated Voltage Supply Module, which is located in the ebox on the passenger side just in front of the fire wall in the engine compartment. Google this term and read up on this problem on the forums to see if the symptoms fit your situation.
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  #3  
Old 05-08-2014, 02:29 PM
destinys destinys is offline
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Location: texas
 
Join Date: May 2014
Posts: 16
Mein Auto: 2004 545i
I just ordered a crank shaft sensor so I hope that works it won't be here till tomorrow but I'll let everyone know what happens. I didn't read response in time. Thank you.
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  #4  
Old 05-13-2014, 03:55 PM
destinys destinys is offline
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Location: texas
 
Join Date: May 2014
Posts: 16
Mein Auto: 2004 545i
I need help again!!!!!! Replaced the crankshaft sensor! It starts but won't run???? What could it be??
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