Originally Posted by crashoverride
Best deal I've found on battery is from www.getbmwparts.com
even with the shipping.... Plus they tell you what the model number is for the battery.
Locally I'm told there are a few shapes and sizes that will work in my car however I don't want a smaller capacity... nor do I plan on re-coding or want to have to figure out how to bolt down a different size battery plus the difference in price is negligible to non-existent. Finally the old battery can be taken anywhere for credit that further reduces price vs local.
One word of caution wrestling the super heavy battery is a beast and the odd cabling connections and number of cables doesn't make it any easier
Even if you use the very same battery size/type/etc. - you should still go thru the 'Battery Registration' process to tell the car a new/fresh battery has been installed so that it charges appropriately - which still entails using a cable & software (or paying the dealer to do it