Featuring an 8,000-rpm redline, a perfectly balanced chassis, and a distinctive exhaust roar, the E46 M3 is often considered the ultimate M3.

Autoblog senior editor Damon Lavrinc is in Monterey with BMW, where he has been able to confirm that the 5 Series will receive a diesel model tuned by the automaker's M performance division.

Mention BMW’s M3 to anyone with even a modicum of superunleaded running through their veins and the first thing that will come to mind is the iconic, motorsport-inspired E30. It isn’t fast by ...