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6 Series DIY
6 Series Do It Yourself (DIY) forum.

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  #1  
Old 12-31-2014, 03:58 AM
maalikdad1 maalikdad1 is offline
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Location: florida
 
Join Date: Dec 2014
Posts: 6
Mein Auto: 650i
Question Heeeeeelllllppppp!

*Okay everyone, I have had some trouble with my 07 650i
First I got the tranny warning and dsc blah blah blah. I bought a new battery, problem solved? Nope. I was fine for a few weeks now I noticed a rough idle and sometimes no start at all. Tried to jump now it only cranks with no start. I changed the ivm (supply module) still the same crank no start. Fuel pump is working. Battery is good and so is the starter and*alternator. But the only difference now is that since I installed the new ivm
I'm now getting an abs and dynamic control error even though it won't start. Would the*crankshaft sensor*be the thing to check and if so which side is the darn thing?
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  #2  
Old 01-04-2015, 07:56 PM
HerbP HerbP is offline
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Location: Georgia
 
Join Date: Jul 2009
Posts: 3,218
Mein Auto: 2005 645Ci & 2007 750Li
I hate to ask, but have you measured the battery voltage while the engine is off? If it is less than 12 volts, charge it over night to see if this helps. Have you pulled in codes that might be in the memory? While removing & replacing the battery, did you possibly pull up hard on the negative cable? If this is damaged, the car will not start.
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  #3  
Old 01-04-2015, 08:32 PM
maalikdad1 maalikdad1 is offline
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Location: florida
 
Join Date: Dec 2014
Posts: 6
Mein Auto: 650i
I charged the battery. Still no start. Replaced crankshaft sensor and ivm. I think I may have been a bit rough on the cable when I initially took the battery out. Si do I replace the cable? Is it expensive? What does changing one entail? Diy or no? Thanks for responding.
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