2008 Bmw M6 Base Convertible 2-door 5.0l on 2040-cars

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BMW M4 vs. Lexus RC F in Head 2 Head sports coupe showdown

It's the showdown everyone's been looking forward to, the East versus West grudge match of the year. We're talking, of course, about the BMW M4 versus the Lexus RC F.
Although BMW uses a twin-turbo straight-six and the Lexus uses a free-breathing V8, the two are pretty closely matched on paper: a luxury coupe with over 400 horsepower channeled to the rear wheels.
The BMW has been doing these cars for longer, and the M4 boasts a higher power-to-weight ratio. But then the RC F has more power - and without forced induction to break up the rev range. So which is the better luxury muscle coupe? Watch the latest episode of Motor Trend Head 2 Head to find out.

Can the government mechanically force you to wear your seatbelt? [w/poll]

The National Highway Traffic Administration is considering the use of ignition interlocks in vehicles that would require the seatbelts of occupied seats to be fastened in order to drive the car, Automotive News reports, four decades after Congress moved to prevent manufacturers from installing them in cars sold in the US market. Following a transportation bill passed last year that lift some of the restrictions on seatbelt interlocks, automakers such as BMW are considering the benefits of using them in future cars. Now, before you go crying about your lost freedom, keep reading.
BMW said in an October 2012 petition that the use of seatbelt interlocks would allow the company to make lighter and more spacious vehicles, if the devices could be used in lieu of unbelted crash tests. The crash test has required the addition of bulky safety features, such as knee bolsters, that aren't as necessary when occupants are buckled up, especially when considering the dizzyng list of safety features that come standard on today's cars. Europe, which has a higher rate of seatbelt use than in the US, doesn't perform unbelted crash tests on cars sold there.

Is the BMW i8 actually already sold out?

The other day we brought you a report from Reuters, which quoted BMW's global sales chief Ian Robertson as saying that the Bavarian automaker had already sold out the entire year's production run of its new i8. Impressive, sure, but perhaps not all that unusual for a groundbreaking new sportscar from a major automaker, of which only limited quantities are typically built. But is the i8 really sold out?
Our compatriots at Car and Driver chased down the story and report that Robertson's claims aren't exactly accurate. According to C/D, the numbers are based on sales projections, not actual orders taken. So while BMW may build upwards of 1,900 i8 coupes next year and over 5,000 in 2015, and while they're all expected to sell, that doesn't mean that it's too late to get your order in. That is, assuming you have the $135k on hand and don't mind getting just three cylinders back in return.