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      04-30-2013, 04:30 PM   #2
nate5ks
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Drives: 2006 BMW 330xi
Join Date: Nov 2011
Location: Jacksonville Beach, FL

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Sounds like it went into limp home mode. This can happen for a number of reasons, even ones not related to the transmission like crank sensor errors. Best thing to do is get it scanned and clear the errors and limp home mode should go away. If (or when) it comes again have it scanned again and assume that whatever it gives you is the problem. Sometimes software upgrades will also correct this.