Q: My DSC not working and the car is going into limp mode in my 2005 BMW 525i

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5F77, 0027D6, 0027D7, DMTL leak 0027C3, Torque command 003D33, Surveillance master 0028AE.
My car has an automatic transmission.

Hi there. From what you are saying it sounds like you may have a serious transmission failure. These codes and issues typically comes up when there is excessive slippage indicated in the transmission. It is possible that there is a sensor issue or an issue with voltage. You may also have a module issue or have a connection issue that will cause this. You would be best to have this checked out by a transmission specialist.

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