In spite of that, they do their job just fine. All things considered, it’s a privilege to sit behind the wheel of a BMW 640d xDrive Convertible.

That’s the magic of the BMW TwinPower Turbo diesel straight-six in the 640d xDrive Convertible. Once it gathers a little speed, it keeps on gathering speed without breaking a sweat.

The average fuel economy of the BMW 640d Convertible stands at 5.6 – 5.7 l/100 km (49.6 – 50.4 mpg imp), and CO2 emissions come in at 147 – 149 g/km (as per EU test cycle, depending on tyre ...

With 2012 now upon us, BMW has released a series of updates across its ever-expanding range, but the most noteworthy among them are a pair of special editions in the 1 Series.

On the European combined cycle, the 640d xDrive returns between 40.6 mpg and 41.3 mpg (depending on the tire package), impressive for a hefty AWD car capable of such performance.

Sales of the new 640d xDrive models will start in Europe this spring. BMW has not said if or when it will offer the all-wheel drive, diesel-powered 6-Series variants in other markets. PHOTO GALLERY ...

Coming this spring you’ll be able to, as BMW is launching its 640d xDrive Coupe. You’ll even be able to buy it in convertible form, but you won’t be able to buy it at all in the United States.