The B57 quad-turbo 3.0-liter inline-six diesel engine wasn't the most powerful or torquiest diesel ever produced, but it was ...
In 2016, BMW unveiled its 3.0-liter inline-six quad-turbo diesel engine. The story behind it isn't quite as important as where BMW got its brand name from, but the B57S (or B57D30S0, as it was ...