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Why the BMW M4 is better than the M3 V8 (2013)

It’s no exaggeration to say that the turbocharged engine in the upcoming BMW M3 (saloon) and M4 (coupe) models is one of the most important engines ever produced by BMW’s M Division. No, it’s not the first turbo lump the performance off-shoot has built – you'll probably know we’ve already had the X5/X6M mutants plus the brilliant 1M and M5 and M6 – but it is the first turbo ever to slot in a production M3, the car that personifies BMW’s iconic performance sub brand, which itself has always been defined by high-revving, naturally aspirated engines. All of this explains why M’s engineers have cut their teeth on other engines first before plucking up the courage to develop the M3/M4 turbo while turning their backs on the outgoing E92 M3’s exceptional V8.

GM reveals new, highly modular Ecotec engine family

GM introduced its new modular family of Ecotec engines on Wednesday at its powertrain headquarters in Pontiac, Mich. The new, reduced-in-size three- and four-cylinder mills will replace three of GM's current engine families, eventually making their way into five of the company's brands. The Ecotec family will eventually spawn 11 engines in total, ranging in displacement from 1.0 liter to 1.5 liters.

60mph M1 motorway speed limit proposed

The government has announced a proposal to lower the motorway speed limit from 70mph to 60mph over a 32-mile stretch of the M1. The plan, which has just been put out to consultation, would lower the speed limit to 60mph between junction 28, near Matlock in Derbyshire, to junction 35a, north of Rotherham – in a bid to improve air quality by reducing vehicle emissions. On Bing: see pictures of motorway air quality Find out how much a used low CO2 car costs on Auto Trader The current proposal would see the Highways Agency put the 60mph restriction in place between 7am and 7pm, seven days a week.