Denso 234-3098 Oxygen Sensor on 2040-parts.com

BMW i3 stars at the 2013 Frankfurt Motor Show

And so it's nearly here. We've seen study vehicles, concepts, pre-production models and even an exclusive viewing, but the wait is finally over. The BMW i3 electric car has made its first appearance to a wider audience at the 2013 Frankfurt Motor Show.

Porsche Cayenne (2010): the new SUV unveiled

By Tim Pollard and Ben Barry First Official Pictures 25 February 2010 09:00 Want to know why the new, second-generation Porsche Cayenne – unveiled today – is so important to Porsche's business model? Consider this. They've sold more than 170,000 of them, and it routinely makes up a third of Porsche's annual volumes, outselling even the staple 911 breadwinner.

One Lap of the Web: DTM memories, Hemi anniversary, and one ugly motorcycle

-- Hot Rod Magazine dives deep into the cylinder bores of the 426 Hemi, which celebrates its 50th birthday this year. Elana Scherr's chat with Don Garlits at a Waffle House in Ocala, Florida has to be the most inspired thing to ever happen at a Waffle House. Check it out here.