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2006 BMW 330i

Question: AutomaticTransmission Issues

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DWeems, Hope Mills, NC, January 14, 2010, 13:31
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 Rookie

Transmission sensors maybe causing gauges to report numerous errors,sluggish idling and acceleration. Able to drive,however at under 40MPH. Car stalled and jumped thus causing all the probable aforemention issues.Under 100k miles on transmission. Was informe total transmission replacement needed to rectify problems. Warranty expired. Need Advice!!

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  • Answer #1

    dandd January 14, 2010, 19:14
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    Really you need to have a complete systems scan, I have worked on a lot of BMW and I have yet to see a Trans Sensor cause these issues and idling problems. You need to have a good Diagnostic Tech look this problem over. By the way your car has over 40 CPUs, many of them are 32 bit systems and you have at least 3 networking protocols, so a network/data bus error can cause all the problems you have. I just dealt with one on Weds that had very similar symptoms as your car and it was a network data bus error caused by heavy rain. Once I fixed the data bus, all was fine and the trans worked perfectly again.

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