BMW built its reputation on engines long before screens, drive modes, and performance software became part of the conversation. The brand’s best cars were often defined by what lived under the hood: ...

Air-fuel ratios, emissions, and others: oxygen (O2) sensor, exhaust gas temperature sensor (EGT), nitrogen oxide (NOx) sensor, knock sensor This video highlights how each sensor communicates with the ...

We know, the intro above seems a bit wacky, but it will all make sense when you check out the freshest Porsche footage, which you'll find at the bottom of the page. The video sees the two discussing ...