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-   -   Cold weather idle: Engine/RPM needle Shudder/stutter when stopping (cold weather) (https://xoutpost.com/bmw-sav-forums/x5-e70-forum/98850-cold-weather-idle-engine-rpm-needle-shudder-stutter-when-stopping-cold-weather.html)

TheGodfather 11-13-2014 08:47 PM

Cold weather idle: Engine/RPM needle Shudder/stutter when stopping (cold weather)
 
Since the cold weather has hit, I have noticed the engine very lightly shuddering when I am below 1000 rpm after rolling to a stop.

I can see the RPM gauge stutter up and down in unison with the shudder/vibrations I feel from the engine(?).

What could this be?

- No fault codes.
- I don't notice any power loss.
- Does not happen at higher speed or above 1000
- Vehicle cranks fine in the morning.
- Occurs even after the engine should be sufficiently warmed up.

Thanks,

TheGodfather 11-14-2014 07:16 PM

Any ideas?

1naztyx5 11-14-2014 09:46 PM

Cold weather could just be pure coincidence . Was having the same issues till i changed my usual gas station (wawa 92) started using shell 93 and issue stopped.

Maybe not related to your issue but helped my problem.


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TinyRK 11-15-2014 12:26 PM

Now listen to this:
my x5 completely stalled and died when braking. ECL came on.
Several codes appeared - BMW codes, not OBC.

Opened the hood and saw some liquid on the plastic cover of the engine.

Now the root cause: the oil cap wasn't sitting right & tight.

Too funny that just this had the car spit out a code galore and literally let the car die at a traffic light.

And I know it is the root cause, because the BMW Shop Foreman agreed and has seen this before.

TheGodfather 11-19-2014 06:45 PM

Based on my research, I am thinking this is a faulty eccentric shaft sensor.


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