99-04 Chrysler 300m Emissions Control Unit Ecu on 2040-parts.com

Do You Know the Way to Monterey? Martin Swig and friends know several ways, and made a rally out of them

One of the best things about the Monterey week is driving to it. Thanks to plate tectonics, California has some of the best roads in the world. No one knows those roads better than Martin Swig, professor emeritus of the School of Piston Knocks.

Concept Car of the Week: Honda HP-X (1984)

20 years after producing its first production car, Honda grew enough confidence to challenge European sports cars on their own turf. Going straight for the jugular, they commissioned the famous Italian carrozeria Pininfarina to design a mid-engined two-seater concept for the 1984 Turin Motor show. The HP-X, standing for Honda Pininfarina eXperimental, had a very clean composition divided in three distinct elements: the matte black lower, the white ribbed body and the completely transparent canopy on top.

BMW previews new M4

BMW has revealed several retro-fit enhancements for the new 4-series coupe, part of its M-Performance line of options. In the process the company has provided the first clues to its upcoming M4's appearance; the M4 will replace the just-discontinued BMW M3, and sources tell Autoweek the new performance coupe will make its world debut at the Detroit auto show next January. The performance package consists of an aggressive aero kit, various interior trim upgrades and suspension modifications.