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Thread: BMW F30 Cranking but not turning over

  1. #1
    Join Date
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    2006 BMW 530i

    BMW F30 Cranking but not turning over

    Hello, all it's been around five months since I last drove my f30. It stopped working after I replaced the valve cover. I tried many different solutions like a new vacuum pump battery recharge I checked all connections. I also replaced the high-pressure fuel pump with the newer version I got the car to start but it immediately stopped and back to square one of it not turning over. I'm starting to think it could be the Valvetronic actuator. Any tips/help would be appreciated I really don't want to junk or replace the engine.

  2. #2
    Join Date
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    Pull the codes. They may give you a clue as to where to start looking.
    2002 M Roadster, Steel Gray Metailic, Gray Nappa Leather, Black Soft Top, Steel Gray Metailic Hard Top, TC Kline Double Adj Shocks with H&R Springs, Stromung Exhaust, SSR Type C Wheels.

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  3. #3
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    I'm getting pages of codes but when I look it up they tell me that the hpfp and vaccum pump can throw multiple codes which I have replaced the only thing I can think of is the valvetronic.

  4. #4
    Join Date
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    36 Cylinders
    Cranking means engine spinning, which also means it's turning over.

    So the starter spins the engine fine, but it doesn't fire up?

    Also, the code list may help. But not P codes. BMW manufacturer codes
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 520whp
    - 2016 Mini Cooper S

  5. #5
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    at this point I've been looking at replacing the cylinder head so I don't have to diagnose part by part but I'm going to get a BMW specific scanner so hopefully it can narrow down the problem.

  6. #6
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    Update: I got a better scanner that reads BMW-specific codes I reset all the codes and turned the ignition on and finally after months it turned over but it shut off after 5 seconds or less. The codes before I cleared it was telling me that there's a short in the circuit for the Valvetronic actuator, wastegate, and map sensor but after clearing it I'm getting codes:140301,140310.140401.140410
    These codes are misfires in cylinders 3 and 4 and it's telling me both cylinders' fuel injection is cut out.
    I know it's not the spark plugs or ignition coils since I replaced it about 10k miles ago.

  7. #7
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    Dis you accidentally swap coil wires for cylinders 3 and 4?


    Sent from my iPhone using Tapatalk

  8. #8
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    You know I looked at your comment and thought are you kidding me it's not that easy of a fix then I checked it out and it the wires looked right but I still decided to swap them for the heck of it. I turned the car on and it started right away. Finally after almost five months of the car just sitting there It started thank you for the help I would have never thought it could of been that simple of a mistake.

  9. #9
    Join Date
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    Quote Originally Posted by RBNetEngr View Post
    Dis you accidentally swap coil wires for cylinders 3 and 4?


    Sent from my iPhone using Tapatalk
    That was an oddly specific and targeted suggestion!


    Quote Originally Posted by shakmonster View Post
    You know I looked at your comment and thought are you kidding me it's not that easy of a fix then I checked it out and it the wires looked right but I still decided to swap them for the heck of it. I turned the car on and it started right away. Finally after almost five months of the car just sitting there It started thank you for the help I would have never thought it could of been that simple of a mistake.
    This is great news. Glad the car is back and alive!
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 520whp
    - 2016 Mini Cooper S

  10. #10
    Join Date
    Jun 2012
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    1995 BMW M3 Coupe
    Quote Originally Posted by shakmonster View Post
    You know I looked at your comment and thought are you kidding me it's not that easy of a fix then I checked it out and it the wires looked right but I still decided to swap them for the heck of it. I turned the car on and it started right away. Finally after almost five months of the car just sitting there It started thank you for the help I would have never thought it could of been that simple of a mistake.
    Glad to hear it was an easy fix. I had a similar issue on a non-BMW a few years ago, and got a similar code from the affected cylinders.


    Sent from my iPhone using Tapatalk

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