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      07-10-2014, 11:16 AM   #1
Lionhart
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Drives: 2011 335i Xdrive M-sport Coupe
Join Date: May 2011
Location: CT

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Momentary Transmission Error/CEL

Hi guys,

Last Friday I was driving down to New Jersey for the the holiday weekend through some torrential rains. As I was exiting the highway, I lost power when I put my foot down and the transmission light lit up on the dash along with the 'Service Engine Soon' error. I immediately let off and coasted until I was somewhere I could safely stop.

To my astonishment, in the 20 seconds that took, the error messages cleared and all lights were off. I haven't had a problem since. My theory is that a sensor got wet and momentarily threw some codes. Has anyone experienced anything like this? Does my theory sound plausible?

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