Mercedes Benz 5.0l 119.970 119.972 119.980 119.982 Cylinder Head Gasket (left) on 2040-parts.com

One Lap of the Web: The LAPD gets a Gallardo and this Honda watches you

-- Combining Los Angeles' proud traditions of flashy cars and breathlessly exciting high-speed pursuits, the Los Angeles Police Department has picked up a sweet new ride: a Lamborghini Gallardo, which its Air Support Team has thoughtfully given a fresh coating of black-and-white. The Gallardo was donated by Nathalie and Travis Marg of downtown LA-based telecom company Light Source 1 Inc. as a charitable contribution, because a nice tax write-off is always more fun than the alternative -- dropping five figures and a firstborn son on a

BMW to offer four-cylinder diesels in North America to improve fuel efficiency

BMW will offer four-cylinder diesel engines in North America as it seeks to improve fuel efficiency and match the performance of its current six-cylinder gasoline engines. BMW is considering diesels in a range of models, including its 1 series, 3 series and 5 series sedans and possibly the X3 crossover and Z4 roadster, said Tom Baloga, vice president of engineering for BMW of North America. "You're going to see it in the 3 series, and the 5 series is a good possibility," Baloga said.

One Lap of the Web: Humvees, abandoned Ferraris and a Volvo collection

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. -- Auto Blog drives a military Humvee that's fully armored for duty in combat zones, weighing in at 14,400 pounds.