BMW may introduce tri-turbo diesel for the facelifted 2012 X6 and 7-Series models

 BMW may introduce tri-turbo diesel for the facelifted 2012 X6 and 7-Series models - report
New triple turbo 3.0 liter diesel unit from BMW will be good for between 350 PS (258 kW / 345 bhp) and 400 PS (294 kW / 395 bhp)

According to BMW Blog, who's sister site Bimmer Today cites sources inside the company, BMW will introduced a tri-turbo diesel power plant next spring in the facelifted X6 model.
The new diesel unit will displace 3.0 liters, be fitted with a triple turbocharger system, and have an output of between 350 PS (258 kW / 345 bhp) and 400 PS (294 kW / 395 bhp). It will first be introduced in the X6 xDrive50d model which will debut in March 2012.
The new diesel unit will also make it into the facelifted 2012 7-Series next year, a model expected to debut later this year. The 750d will also be offered with xDrive (all-wheel-drive system) and in an extended wheelbase variant designated the 750Ld.
Source: BMW Blog via BMW Blog