BMW N54 vs N55 vs B58 vs S55: Performance & Reliability
Ever since the twin-turbo N54 hit the market in the 2007 BMW 335i, BMW has been building on the design of the turbocharged, direct-injected inline 6 engine. In 2010, the 335i received the updated N55 engine followed by the B58 in 2016, however, the model was rebranded to the 340i. Unsurprisingly, the success of the…