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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 09-01-2013, 12:30 PM
ScBlacksunshine ScBlacksunshine is offline
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Dreaded DSC/DBC/FTM and Startup Malfunction with car stalling

This started to happen last week when I was driving. All of a sudden I felt my back wheel kicking while cruising at around 45mph, then dash and idrive lit up like Christmas tree, with DSC/DBC/FTM and startup assistance disable (pic below). I pulled into the gas station, stop the car, did a Idrive reset and it all went away. However, couple of days later as I was driving on the freeway I felt the back wheel jolted again, like if DSC was trying to activate on one wheel. Keep in mind I wasn't going over any slippery patch and road was bone dry. After I got off the freeway and sitting at the light not moving, my car suddenly just died and all the same malfunction came back on again and I had to restart the engine. I've search through many forums and seems like this problem might be related to either wheel speed sensor or DSC Hydro pump? My question is, most of the people that experienced this issue doesn't have their engine turn off while not moving. This is concerning to me since I don't want to experience my car just shut off its engine while I am driving. Could it be possible that DSC ECU have the ability to shut off the car? Could this also be related to crank sensor? But then again my car feels fine, no check engine light or hesitation. Took it to a local Indy shop and they can't duplicate the problem and can't find any fault code? Any suggestion or has anyone experience something similar?
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  #2  
Old 09-01-2013, 01:37 PM
TXFred TXFred is offline
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I'm not sure why your engine would have died. That's strange. But, BMW does get very Nanny State when the car has a fault. For example, when my water pump died, the car limited my engine's output just as I was turning on to a busy highway.

A few weeks ago I put my car on a dyno, and as soon as the computer saw the back wheels turning and the front wheels sitting still, it had a minor meltdown, throwing codes very similar to what you are seeing. I say similar, because I didn't take notes.

But based on that, I think you're wise to suspect a wheel speed sensor with an intermittent problem.

When the wheel jolted, could you tell which wheel it was? I'd suspect that wheel first, since a failed sensor might be seen by the computer as a locked up wheel.

If the same sensor is used on all four wheels, then you could buy a single replacement and try it on each wheel until the problem goes away.

Good luck!

Frederic
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  #3  
Old 09-01-2013, 05:50 PM
ScBlacksunshine ScBlacksunshine is offline
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Quote:
Originally Posted by TXFred View Post
I'm not sure why your engine would have died. That's strange. But, BMW does get very Nanny State when the car has a fault. For example, when my water pump died, the car limited my engine's output just as I was turning on to a busy highway.

A few weeks ago I put my car on a dyno, and as soon as the computer saw the back wheels turning and the front wheels sitting still, it had a minor meltdown, throwing codes very similar to what you are seeing. I say similar, because I didn't take notes.

But based on that, I think you're wise to suspect a wheel speed sensor with an intermittent problem.

When the wheel jolted, could you tell which wheel it was? I'd suspect that wheel first, since a failed sensor might be seen by the computer as a locked up wheel.

If the same sensor is used on all four wheels, then you could buy a single replacement and try it on each wheel until the problem goes away.

Good luck!

Frederic

Took the car out to the car wash today and it happened again as I was pulling into the touchless car wash. Car just died and all the DSC/DBC/FTM malfunction came on, but no ABS or check engine light. Restarted the car, warning stayed on until I shut down, however now my car drives like crap, feels very sluggish and no power at all. Idle sounds ok so at this point I am at a lost. As for the jolt, the first time I felt it, it seems to come from rear passenger side. I am starting to think it could be the eccentric crank sensor or maybe even a failing water pump? But then there's no engine light or check engine code. I have an appointment with a shop on Tuesday to have it look at, hopefully my car will even make it there.
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  #4  
Old 09-01-2013, 06:09 PM
TXFred TXFred is offline
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Yeah, that doesn't sound like the wheel sensor anymore. But I haven't a clue what it might be.

Good luck, and let us know what the final diagnosis is!

Frederic
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  #5  
Old 09-02-2013, 02:59 PM
fdriller9 fdriller9 is online now
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Battery recall. It's a faulty connection at your fuse panel.
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  #6  
Old 09-02-2013, 03:47 PM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by ScBlacksunshine View Post
Took the car out to the car wash today and it happened again as I was pulling into the touchless car wash. Car just died and all the DSC/DBC/FTM malfunction came on, but no ABS or check engine light. Restarted the car, warning stayed on until I shut down, however now my car drives like crap, feels very sluggish and no power at all. Idle sounds ok so at this point I am at a lost. As for the jolt, the first time I felt it, it seems to come from rear passenger side. I am starting to think it could be the eccentric crank sensor or maybe even a failing water pump? But then there's no engine light or check engine code. I have an appointment with a shop on Tuesday to have it look at, hopefully my car will even make it there.

Codes, laddie....your fate it is the codes!

Just as not every medium got talent, not every mech can read 'em all....be certain they are one with Munich....



Last edited by CALWATERBOY; 09-02-2013 at 03:50 PM.
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  #7  
Old 09-02-2013, 06:39 PM
fdriller9 fdriller9 is online now
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With the faulty fuse panel connection recall, more often than not the car stores no shadow faults what so ever. So if there are no codes, you know what the problem is.
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  #8  
Old 09-03-2013, 06:14 AM
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need4speed need4speed is offline
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Quote:
Originally Posted by fdriller9 View Post
Battery recall. It's a faulty connection at your fuse panel.
This is what it sounded like to me also. N4S
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  #9  
Old 09-05-2013, 12:17 PM
ScBlacksunshine ScBlacksunshine is offline
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So I took it into the indy shop I usually go to. They drove it for 20 miles the first time, then 30 miles the second time and only got the car to stall once but no fault code was in the system and the car drove normal after restart. However, there was one time when the crank sensor malfunction came up on the fault code but it only came up once and disappeared after. Based on that, I am having them replace the crank sensor and go from there. Seems to be a phantom problem and what's frustrating is that when I took it to the shop, the car stalled at the light and DSC/DBC/FTM/Start up all came on and stayed on with reduce power while driving. Also, I noticed the idle was a little rough and there were jolts to the car once in a while on my way there. I am really hoping crank sensor is the culprit here, last thing I want to do is replace this and that and still doesn't address the real issue. Keeping my fingers crossed at this point..

Last edited by ScBlacksunshine; 09-05-2013 at 12:25 PM.
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  #10  
Old 09-05-2013, 12:34 PM
tpabimmer tpabimmer is offline
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Quote:
Originally Posted by fdriller9 View Post
Battery recall. It's a faulty connection at your fuse panel.
touche' .... almost same issues with mine .... NO issues since the recall was completed .... its worth an hour of your life .. and its FREE !!! "FD" was spot on when he commented on my post os the same issues !!!!
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  #11  
Old 09-05-2013, 12:49 PM
ScBlacksunshine ScBlacksunshine is offline
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Originally Posted by tpabimmer View Post
touche' .... almost same issues with mine .... NO issues since the recall was completed .... its worth an hour of your life .. and its FREE !!! "FD" was spot on when he commented on my post os the same issues !!!!
Does the battery recall apply to 2006 E90 325i as well, outside of warranty period?
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  #12  
Old 09-05-2013, 01:46 PM
tpabimmer tpabimmer is offline
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the warranty has no bearing ... as for your model, i cannot answer your question .... i emailed BMW/NA, and they sent me a confirmation that my VIN had not been corrected and directed me to a dealer ... which btw, i had already done... the moment this issue was brought to my attention ... or you could just call customer service ...
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  #13  
Old 09-05-2013, 06:49 PM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by ScBlacksunshine View Post
So I took it into the indy shop I usually go to. They drove it for 20 miles the first time, then 30 miles the second time and only got the car to stall once but no fault code was in the system and the car drove normal after restart. However, there was one time when the crank sensor malfunction came up on the fault code but it only came up once and disappeared after. Based on that, I am having them replace the crank sensor and go from there. Seems to be a phantom problem and what's frustrating is that when I took it to the shop, the car stalled at the light and DSC/DBC/FTM/Start up all came on and stayed on with reduce power while driving. Also, I noticed the idle was a little rough and there were jolts to the car once in a while on my way there. I am really hoping crank sensor is the culprit here, last thing I want to do is replace this and that and still doesn't address the real issue. Keeping my fingers crossed at this point..

FYI....not a diff procedure.
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  #14  
Old 09-06-2013, 12:53 AM
Robin128 Robin128 is offline
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haaaaaaaaa!...the good old marketing mix calwaterboy.

Who was it said that he new half of his group's advertising was not working...yep, but he didn't know which half. Was it Procter and Gamble?

yea yea...shouldn't encourage you.

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  #15  
Old 09-06-2013, 07:02 AM
fdriller9 fdriller9 is online now
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Quote:
Originally Posted by ScBlacksunshine View Post
Does the battery recall apply to 2006 E90 325i as well, outside of warranty period?
No it's for later models. Like 09+
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