Quote:
Originally Posted by mokk76
The transmission I have is the original 8 speed transmission, I am only changing out the engine, but the transmission connector on the wire harness off the 2010 750i engine is for the 6 Speed and does not physically fit on mine which is a 2011 550i 8 Speed transmission.
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Ok, gotcha. In that case, yes, an F10 550 wiring harness should work then. The new engine and trans combo will probably need to be coded to your car to work properly though, but still, that is less expense than custom coding.