which again featured in both the BMW 7 Series and Rolls-Royce models. The S55 3.0L inline-6 was first introduced in 2013 and phased out by 2021. It was a relatively short-lived but popular engine ...

There are, however, known issues with the S55 engine, with the worst of them being ... modified to produce considerably more power than BMW intended. The valve cover gasket is also known to ...