I think that thread is covering all angle http://www.xoutpost.com/bmw-sav-foru...2-4-4i-27.html
- as LVP mentionned, speak with tranny specialist, tranny is a quit complexe pieces of the vehicule unless you are mechanical engineer i will not reco any DIY with that...

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2006 X5 4.4i premium, Sport package ,Winter Package, Sat Nav. AFE Power stage II Production : 08-2006
2012 BMW 128I Convertible Black
2011 Mercedes Benz B200 sold