Ecogard Xa6118 Air Filter on 2040-parts.com

Project Car Hell: BMW-powered Opel Olympia vs. Aston-equipped Singer Nine

Editor's note: When you can't fit your newly acquired basket-case Jeep FC150 in the garage because you have an Autocar Sussita and a 1928 Studebaker President chassis buried beneath crates of Subaru 360 parts, you're in Project Car Hell. Our friend Murilee Martin is here to oil up the gates to Automotive Hades, bringing the series back with a couple of you'd-hafta-be-outta-your-mind hypothetical engine-swap projects. And be sure to check back for fresh installments of Project Car Hell every week.

'Camaro Brothers' ride on

It was supposed to be a nice, mild-mannered going-to-school car that twin brothers Tom and Kent Ng would share. But it didn't take long for the Houston residents' hot-rod tendencies to get the better of them and raise the ire of their father. "We tried to modify it immediately," Tom said.

BMW 4 Series stars at the 2013 Frankfurt Motor Show

This is the first ever BMW 4 Series coupe, debuting here at the 2013 Frankfurt Motor Show. It’s BMW’s efforts to better separate and identify the 3 Series saloon and coupe models, so now the two-door coupe gets its very own ‘4 Series’ boot badge. We’ll cut to the chase, too – it’s good, very good.