Let's get nerdy. The other evening on the way home I followed a badgeless, newish BMW 3 estate. It was smartly driven - zipped past the one dawdler in the one safe overtaking spot quickly enough to leave space for me to follow, and took the big hill that follows at full A-road speed, as few seem to manage. So I deduce it was one of the six-cylinder models.
What caught my eye, though was the exhausts: one each side, but my impression was that I could see right into the one on the right, while the left one seemed to be closed by a shiny disc. It was a sunny evening, so the contrast between the two was striking and consistent. Was I imagining it, or is there some technical reason I don't know about?
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Tailpipes new
Tailpipes new