Gm 1986 Buick Coolant Overflow Tank on 2040-parts.com

BMW M3 CRT: It’s another Limited Edition BMW M3

BMW M3 CRT - a lighter, quicker M3 You do wonder how many limited editions you can make of a car before its stops making sense. A bit like the Veyron, where the limited edition is the norm, not the rarity. BMW may not be as bad as Bugatti on the limited edition M3 front, but they’re fast catching up.

Bring a Trailer: 1974 Fiat X1/9 autocrosser

Serious buyers and tire kickers alike can find everything on Bring a Trailer, from all-out American classics to pre-war antiques and Italian muscle. Today's pick, however, is none of those. This 1974 Fiat X1/9 autocrosser is for sale out of Garnedia, Calif., for the price of $25,000, or best offer.

Audi unveils armored A8L Security

While unveiling the Allroad E-Tron Shooting Brake at the Detroit Auto Show, Audi also quietly debuted the A8L Security version of its new range-topping sedan this week, armored to the highest level of ballistic protection for passenger cars. The A8L Security is based on the facelifted version of Audi's third-generation A8 sedan, and this armored version will be available both with Audi 4.0 TFSI V8 engine and the 6.0-liter W12. Audi set out to design the current A8L with building an armored version in mind, as opposed to the first-generation A8 of the 1990s which was not offered in Security specification until very late in the product cycle.