The BMW E46 M3 finally gets its new Scorpion cat-back exhaust, delivering a refined but aggressive sound. However, during final checks, a loud rear differential noise signals major wear that could ...

In modern cars like the BMW M760e or Mercedes-AMG models, quad-tip setups may also be connected to active exhaust systems. These use internal valves to control which pipes are open and how the ...

As it tumbled down into Castellane, feeling almost weightless, sweeping through turns in its great, almost elastic sweet-spot, the relatively humble BMW M3 jumped right to the top of my list.