I know ..I know this question will refresh most of automobille addictive persons..but ..here it is ..
How better is Made by chines..- lead accumulator with bmw logo, sold by stiller at BMW fac...(320.00 usd) compair then just sold in the bayarea autoshops (96.00usd) -- us made with practically same parrametrs..and full possible warranty for up to 5 years ?

thanks for even smallest point of view ! John