2012 BMW 528i Driven: Small DI Turbo Four Makes 5er More Efficient, but Not Better

Future-tech?s holy trinity makes for a more efficient base 5-series, but not necessarily a better one. We?ve been skeptical of claims that direct injection and turbochargers could replace displacement while returning sky-high fuel economy since the beginning. Our observed mileage with many such engines has suggested that potential fuel savings are being overstated, but in [...]

Carl Edwards Copart Ford Denny Hamlin