BMW would eventually move on to twin-scroll technology in single-turbo applications, such as with the N54's successor in 2011, the N55 and B58 engines. BMW still utilizes mono-scroll technology in ...
For example, the BMW N54 has “oil leaks that causes belts ... a rattle in the valve controlling the exhaust gas flow in the turbocharger—and oil leaks. “‘At about 50k miles, you’re ...