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Hi all

I am going to get the oil changed in 640D Gran Coup 2013 to fix jerky downshift while in cold temperatures, and dealer said while doing the oil change they cant drain what is there in the torque converter, is that true as I have zero knowledge about this?

Thanks
Sal

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they can be flushed though,,well i know they can in the zf 6 speed box,,i looked into this when i had my gearbox serviced,,,it takes extra oil and time naturally,,the guy,,called aaron court is a bmw specialist in nottingham,,he has a facebook page i i forget what his garage is called though,,but could find out,,or you could ..infact here it is,,maybe call him and ask...https://www.facebook.com/aaroncourt1989
 
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