Join Date: Apr 2012
Location: South New Jersey
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My reasoning is primarily economic, the 525 has a smaller displacement. I am assuming that translates to better gas mileage.
I've also discussed The BMW v8 engines with a well informed BMW owner and their disposition to water pump failure or overheating something or other.
Reliability is the name of the game, with a little more pull than a Inline 4.
Of course this is all subject to change. At the moment I have a Subaru Outback Sport, I want to make a well informed transition and that may take some more research but for now I just have to worry about my final exams.