Originally Posted by SiR
well it would be if that actually was the case. The truth is they dont spend millions in r&d to do that and most stock cars cannot run at 10/10ths for hours on end.
though , will a stock engine generally have less heat/issues to worry about compared to a an aftermarket boosted engine?Generally yes.
But stock cars(engines included) are not without their short comings. They are street cars after all and bmw isnt one of the most profitable companies going because they chose not to save pennies...they actually save a lot in various areas.
ALL manufacturers spend millions in R&D to develop engines. Heck just labour for testing is well north of a few million.