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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > whats wrong with my car??



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      07-26-2012, 08:31 AM   #1
KyLu II
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whats wrong with my car??

tonight i went out to test my goproand noticed that my car is shifting by itself around 4k rpm. it did it 2x tonight

before everyone say codes and or logs and bla bla bla, i will do some logs tomorrow night. im wondering if any body had some insights to why this is happening? would a boost leak cause this?

thanks in advance.



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      07-26-2012, 08:50 AM   #2
zerep1
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I've had that happen before I've heard it has somthing to do with transmission protection it shift early cause it senses to much torque or somthing
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      07-26-2012, 09:12 AM   #3
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Is it in transport mode?
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      07-26-2012, 09:21 AM   #4
KyLu II
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Quote:
Originally Posted by zerep1 View Post
I've had that happen before I've heard it has somthing to do with transmission protection it shift early cause it senses to much torque or somthing
maybe since i just upgraded my tires to DR's
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Is it in transport mode?
no
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      07-26-2012, 10:11 AM   #5
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Why don't you try a 6AT adaptation reset thru procede? If that doesn't help, do an INPA tranny reset and drive stock for around 500-600 miles.
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