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      01-29-2016, 12:27 PM   #1
jotrevza
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fuse #16 - What does this feed??

Morning,

I could really use some help with my (new to me) M3. I'm experiencing a no-start condition with a recently purchased 08 E92 (6mt). This car has approx. 59K on the clock. Anyway, I was hoping someone could tell me what item(s) fuse #16 in the glove box supplies power to? I don't have access to good schematics. This particular 10 amp fuse keeps blowing immediately after replacement, and upon each attempt to start the car. It cranks with authority each time, but, just refuses to start.

The car was running terrific for about the first week that we owned it. No signs of any problems whatsoever. Then about a week later, we had made several stops that day. After third stop of the day the thing would start but, crap out immediately after. (within seconds) After each attempt it was clear that it's trying to fire off again as if spark is there.

We have 'fuel pump malfunction' showing on the nav. screen and other malfunctions showing as well. ('DSC malf.', warning lights on cluster, etc.) I tried to pull codes but all I can do with my particular reader is get generic OBD2 codes, not BMW specific codes. It basically showed all 8 cyl's misfiring, which, I would totally expect to see if it's not getting any fuel...

I would really appreciate some wisdom from an experienced owner/tech who might have direct knowledge with these 'black-box' wonders. The acronyms alone (applicable to this car) are enough to scare the average driver away. I don't know my EWS from my DME, or, my EKP from my C...ASS!

Thanks in advance for any help,

Tracy
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      01-29-2016, 01:30 PM   #2
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Quote:
Originally Posted by jotrevza View Post
Morning,

I could really use some help with my (new to me) M3. I'm experiencing a no-start condition with a recently purchased 08 E92 (6mt). This car has approx. 59K on the clock. Anyway, I was hoping someone could tell me what item(s) fuse #16 in the glove box supplies power to? I don't have access to good schematics. This particular 10 amp fuse keeps blowing immediately after replacement, and upon each attempt to start the car. It cranks with authority each time, but, just refuses to start.

The car was running terrific for about the first week that we owned it. No signs of any problems whatsoever. Then about a week later, we had made several stops that day. After third stop of the day the thing would start but, crap out immediately after. (within seconds) After each attempt it was clear that it's trying to fire off again as if spark is there.

We have 'fuel pump malfunction' showing on the nav. screen and other malfunctions showing as well. ('DSC malf.', warning lights on cluster, etc.) I tried to pull codes but all I can do with my particular reader is get generic OBD2 codes, not BMW specific codes. It basically showed all 8 cyl's misfiring, which, I would totally expect to see if it's not getting any fuel...

I would really appreciate some wisdom from an experienced owner/tech who might have direct knowledge with these 'black-box' wonders. The acronyms alone (applicable to this car) are enough to scare the average driver away. I don't know my EWS from my DME, or, my EKP from my C...ASS!

Thanks in advance for any help,

Tracy
Fuse 16 powers the Engine Control module (also powers the Heating and HVAC), if memory serves.
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      01-29-2016, 06:02 PM   #3
jotrevza
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Hey Ron1n,

Thanx for the info. I just bought a DME relay after posting this, HOPING that this might help fix the problem. It didn't. I realize that it was a longshot. Figured if it's got a burnt/stuck contact in it, it may be overtasking the fuse at ignition/start sequence and blowing it. Also figured it might be contributing to the no fuel pump prime. I don't even want to think about the worst case scenario. That's a $2K fix for a new DME! If it's a wire-chasing situation, this could go on indefinitely...

Thanks again for the info.

Tracy
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      01-29-2016, 06:35 PM   #4
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Quote:
Originally Posted by jotrevza View Post
Hey Ron1n,

Thanx for the info. I just bought a DME relay after posting this, HOPING that this might help fix the problem. It didn't. I realize that it was a longshot. Figured if it's got a burnt/stuck contact in it, it may be overtasking the fuse at ignition/start sequence and blowing it. Also figured it might be contributing to the no fuel pump prime. I don't even want to think about the worst case scenario. That's a $2K fix for a new DME! If it's a wire-chasing situation, this could go on indefinitely...

Thanks again for the info.

Tracy
All I can offer at this point is my best wishes on hunting down the issue. Personally, the $150 diagnostic fee or w/e at the dealership is worth it at this point, it sounds like. Also, if you didn't buy this car private party, I'd take it back to the dealership you bought it at and ask them WTF.
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      01-29-2016, 09:53 PM   #5
jotrevza
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Yeah, the 'stealership' won't be working on this car. It's a long story so I won't bore you with it. Best case for me would probably be a qualified local import shop but, your point is well taken. Also, YES this was a private party sale. I couldn't believe how nice this car ran when it arrived a couple of weeks ago. Pulled like a freight train and never missed a beat. After approx. one great week of driving, it's dead as a doornail.

Ain't life grand?

Thanks for the words of encouragement,

Tracy
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      10-09-2017, 01:27 PM   #6
KillerE90M3
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Did you ever figure this out? Having the same problem


Quote:
Originally Posted by jotrevza View Post
Yeah, the 'stealership' won't be working on this car. It's a long story so I won't bore you with it. Best case for me would probably be a qualified local import shop but, your point is well taken. Also, YES this was a private party sale. I couldn't believe how nice this car ran when it arrived a couple of weeks ago. Pulled like a freight train and never missed a beat. After approx. one great week of driving, it's dead as a doornail.

Ain't life grand?

Thanks for the words of encouragement,

Tracy
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      08-26-2020, 03:02 PM   #7
Macyvaladeztruspeed
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Quote:
Originally Posted by jotrevza View Post
Yeah, the 'stealership' won't be working on this car. It's a long story so I won't bore you with it. Best case for me would probably be a qualified local import shop but, your point is well taken. Also, YES this was a private party sale. I couldn't believe how nice this car ran when it arrived a couple of weeks ago. Pulled like a freight train and never missed a beat. After approx. one great week of driving, it's dead as a doornail.

Ain't life grand?

Thanks for the words of encouragement,

Tracy


Did you ever find out what’s happening??? Cause I’m having similar problems
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      08-26-2020, 03:04 PM   #8
Macyvaladeztruspeed
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Quote:
Originally Posted by KillerE90M3 View Post
Did you ever figure this out? Having the same problem


Have you figure it out? Having same issues
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      11-26-2020, 08:05 PM   #9
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Curious about this. Any update?

Idk anything about fuse but if you getting that error it's so many possibilities... hopefully the diagnose found the exact issue for you.
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