See also:

BMW 335i: optimised six-cylinder petrol engine with beefy power delivery, strong torque and superb refinement
Fans of large six-cylinder engines have a treat in store too. The optimised six-in-line unit in the new BMW 335i will impress performance-minded drivers with its effortless power, exceptionally fa ...

Dynamic, efficient and innovative: the new BMW 3 ActiveHybrid
In autumn 2012 a further model will join the BMW 3-Series. In the new 3 ActiveHybrid - a full hybrid at the premium end of the sports sedan class - the innovative BMW ActiveHybrid powertrain techn ...

The concept
The system does not measure the actual inflation pressure in the tires. It detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while moving. In the ev ...