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CAR tech: how to eliminate turbo lag

CAR has tested a new breed of experimental super-diesel that literally leaves current technology standing and may banish turbo lag forever. We drove an Audi A6 3.0-litre V6 prototype fitted with an electric bi-turbo system which delivers a massive dose of torque from idle. The effect is radical, firing the saloon off the line like an R8 when the driver floors the throttle.

BMW M3 Matte Edition: China only

BMW M3 Matte Edition - China's second limited edition M3 in a year It’s less than a year since China got it’s last BMW M3 special – the BMW M3 Tiger Edition – so we’re guessing it sold rather well as BMW has launched another limited edition M3 just for the Chinese market – the BMW M3 Matte Edition. It isn’t going to be horribly difficult to work out that the defining feature of the M3 Matte Edition is its paint job. It’s Matt Black.

Revealed: the longest and shortest new car waiting lists

Is there anything more infuriating than a long wait for something you really, really want? Like a car, for example. You walk into a dealership, hand over a large amount of money and want to drive away as soon as possible.