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Has anyone swapped the e39 1997 -1999 automatic transmission to 2000 - 2003 tiptronic transmission? I want to have this done or I'm going to have to sell my car and buy a 2000 - 2003 e39. HELP ME
 

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If the trans fits, the real stumbling block will be to recode the car for the new trans. You'll need a savvy indie with the proper computer to do this.
 

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Have you looked thru the FAQ/DIY threads here...or on www.e38.org? You may also have better luck searching for info about this if you use BMW terminology...our auto trannys that can be used like a manual tranny is called STEPTRONIC (Tiptronic is Audi/Porsche speak).
 

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It would be very difficult. The wiring on the two transmissions are completely different. The transmission computers do not even look alike. It would be easiest to get a car that has steptronic, instead of trying to retrofit it on to the car.
 
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