If BMW Offered THIS Car Here, Would YOU Buy It?

This newly-tweaked 320d Efficient Dynamics saloon - which goes on sale in January next year - is the most frugal model made by the BMW empire, save for the 1.6 diesel Mini.

It offers Co2 emissions of 109g/km and a 68.9mpg on the EU Combined cycle, a significant improvement on the current 320d’s 128g/km rating.

BMW says that 'changes have been made to the engine construction', there’s a new rear diff with a longer ratio, it rolls on Michelin EnergySaver tyres and the whole car has been lowered by an aero-friendly 10mm.

The final versions of the 320d (this test car was a late-model prototype) also get a new 'aerodynamic' alloy wheel design. Start-stop and brake energy regeneration are carried over from the current 320d.

However, the key to extracting the last drop of potential energy from the fuel tank lies in the flywheel. This is a relatively new design, developed by BMW and LUK, and incorporates four 'pendulum' vibration dampers.

This flywheel not only further smooths out the harshness inherent in a diesel engine, but now also allows the ideal gearshift points to be set at lower revs than normal.

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