オリジナル投稿者： oldturkey03 ,
Deepak Patel. you can install the battery yourself, '''but''' it needs to be electronically registered for it to last longer then a few weeks. Check [http://www.bimmerfest.com/forums/showthread.php?t=525900&highlight=register+battery+steps|this out] for further clarification on the registration. I think for a Car the price and quality of the BMW, I'd get it done the way BMW suggest. Either through the dealer or an independent garage that has the proper tools. Hope this helps, good luck.