Maxwell Windlass Circuit Breaker / Isolator 135 Amps. on 2040-parts.com

One Lap of the Web: DeLorean engine swaps, 2013 Women's World Car of the Year and the best French cars

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- We've driven the new BMW 4-series and found it worthy of being the 3-series coupe's successor.

Dealers repairing Chrysler V6 engines

Chrysler Group dealers are replacing malfunctioning cylinder heads on a small percentage of 3.6-liter Pentastar V6 engines. And a recent shortage of replacement heads means some customers have been without their vehicles for weeks, some dealers say. Chrysler is paying for their rental cars.

Feds researching fire risks from EV batteries, regulator says

Federal safety regulators have begun an $8.75 million study of whether lithium ion batteries in electric vehicles pose a potential fire hazard, officials said Thursday. Kevin Vincent, chief counsel of the U.S. National Highway Traffic Safety Administration, said researchers are looking at whether the high-voltage batteries can cause fires when they are being charged and when the vehicles are in an accident.