Volkswagen Genuine Muffler Hanger 8d0253147e on 2040-parts.com

Feds look at Toyota electronics as source of accelerator defects

The U.S. Department of Transportation is looking into whether Toyota Motor Corp.'s problems with unintended acceleration can be traced to defects in the electrical controls rather than just the mechanical problems cited by the automaker, a Transportation official said Tuesday. “We're not finished with Toyota and are continuing to review possible defects and monitor the implementation of the recalls,” Transportation Secretary Ray LaHood said in a statement.

2013 Mercedes-Benz SLS AMG GT gets more letters, power

Two additional letters will spell more power for the 2013 Mercedes-Benz SLS AMG. The supercar will be named the SLS AMG GT for the next model year, which is meant to call attention to the light freshening that the glamorous two-seater will receive when it goes on sale in mid-November. Output grows to 583 hp from the naturally aspirated 6.2-liter V8, up from 563 hp in today's car.

New BMW M3 and M4 engine secrets laid bare

BMW's M division has lifted the veil of secrecy on the inline six-cylinder engine bound for its upcoming M3 sedan and new-to-the-range M4 coupe and convertible, revealing a potent twin-turbocharged 3.0-liter direct injection gasoline unit that produces an official 424 hp at 7,500 rpm and what officials describe as "significantly more than 369 lb-ft" of torque. The newly developed engine, known under the internal codename S55 B30, shares its 84.0 mm bore and 89.6 mm stroke with BMW's standard turbocharged 3.0-liter in-line six-cylinder direct-injection gasoline mill, the M55 used across the German car maker's lineup, endowing the aluminum block unit with an overall swept volume of 2,979 cc. This represents a sizeable 990 cc reduction on the engine BMW's M division's new unit replaces, the S65.