BMW M4 Convertible revealed. Price from £60,730

The BMW M4 Convertible (pictured) revealed We reported last month that the new BMW M4 Convertible would debut at this year’s New York Auto Show, and here it is ahead of that debut complete with trick folding metal roof, 425bhp and a price tag that just nicks over the £60k line. A direct replacement for the old M3 Convertible, the M4 Convertible will cost you just over £4k more than the M4 Coupe, but for the extra money you get the same car but with infinite headroom – and a big weight penalty. The new 3-piece metal folding roof can be tucked away in a mere 20 seconds at the flick of a switch, with better noise insulation than the M3 Convertible had and more room in the boot when the roof is down too.

One Lap of the Web: Model S carbon footprints, 911 road trips and the Rover 3500

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. -- It's Tesla Model S owner vs.

Watch this McLaren 650S hot-lap Monza

Here's a short video of the McLaren 650S lapping the Monza racetrack in Italy. The 3-minute, 40-second clip features the company's latest supercar doing high-speed pass-bys and revving engines at the gas station. The footage came out of the “Pure McLaren Driving Experience,” an event put together for company VIPs.