BMW has given its product range a series of upgrades including engines that promise more power, lower emissions and greater fuel efficiency.
The revisions and new model additions have been made across the portfolio including the 5-series and 6-series, as well as the Z4 Roadster.
With the addition of the latest Efficient Dynamics technology and an Eco-Pro mode, the 520d model now promises a combined fuel economy of 62.8mpg, while its emissions are down to 119g/km. The engine continues to deliver 182bhp of power, which can take the car from 0-62mph in 8.2 seconds.
The new 520d ED comes with a price tag of £30,435 and will be in showrooms this September.
Meanwhile, the Z4 Roadster's four and six-cylinder versions are making way for two new models powered by a four-cylinder engine with twin-turbochargers.
More powerful of the two is the 242bhp sDrive28i which can go from 0-62mph in just 5.6 seconds and reach top speeds of 155mph.
It has combined fuel consumption of 41.5mpg and emissions at 159g/km - the same as the sDrive20i has which has an output of 182bhp top speed of 142mph and can accelerate to 62mph from rest in 6.9 seconds.
Both Z4 models will come with Bluetooth and USB connectivity as standard, while the sDrive20i models now comes with leather seats.
The rest of the 5-Series range is enhanced in a similar manner with the same efficient petrol engines, while the 6-Series will be available in coupe form as well as with diesel power.
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