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New BMW X1 EfficientDynamics emits just 119g/km

The most efficient BMW X1 will go on sale this Autumn when the X1 xDrive20d EfficientDynamics goes on sale priced at £25,715. Thanks to changes such as the fitting of reduces rolling resistance tyres and a longer top gear ratio, the cleanest X1 emits just 119g/km of CO2 and averages a claimed 62.8mpg.

The most efficient X model ever is powered by the same 2.0-litre four-cylinder diesel engine that produces 163bhp and performance is actually slightly quicker with 0-62mph taking 8.3 seconds compared to 8.4 seconds in the standard xDrive20d. The four-wheel drive will be a good choice for company car drivers too as it has a company car taxation band of only 13 per cent.

TwinPower Turbo technology, which combines a variable geometry turbocharger and high-pressure fuel injection, gives maximum power at 4000rpm, while peak torque of 380Nm comes in at 1750rpm and remains constant until 2750rpm. A centrifugal pendulum absorber in the dual-mass flywheel damps out vibrations at low engine speeds, while new insulation technology eliminates engine noise inside the cabin.

The BMW X1 xDrive20d EfficientDynamics has automatic engine start-stop, brake energy regeneration and an optimum shift indicator adapted to suit the new engine’s characteristics. Electro-mechanical power steering, an air conditioning compressor, which can be disengaged, and tyres with reduced rolling resistance on Streamline-design light alloy wheels, all come as standard. The car also has a long final drive ratio to reduce engine revolutions at cruising speeds.

Elsewhere in the BMW range, the Z4 is now available as an sDrive20i and sDrive28i, replacing the former sDrive23i and sDrive30i models. Both new variants are powered by the same all-aluminium 2.0-litre four-cylinder unit, featuring BMW’s acclaimed twin-turbo technology.

For the sDrive20i, the new engine develops 184hp and 270Nm of torque from only 1250rpm. Corresponding figures for the sDrive28i are 245hp and 350Nm from 1250rpm. Both engines use BMW’s EfficientDynamics technologies to help lower fuel consumption and emissions.

The BMW Z4 sDrive20i and BMW Z4 sDrive28i employ the twin-scroll turbocharger technology, high-precision direct fuel injection, VALVETRONIC variable valve control and double-VANOS camshaft control previously only seen in six-cylinder BMWs. This gives greater turbo boost pressure and improved operation of the fuel injection system.

Both are characterised by instant throttle response, linear power delivery and supreme flexibility across almost the entire rev range. Improved performance is therefore achieved with 20 per cent reductions in fuel consumption and CO2 emissions. A six-speed manual gearbox is standard with both engines, but an eight-speed automatic is optionally available.

Model Power (hp) Torque (Nm) 0-62mph (seconds) Top Speed
(mph)
CO2 emissions (g/km) Combined mpg
BMW Z4 sDrive20i 184 270 6.9 142 159 41.5
BMW Z4 sDive28i 245 350 5.6 155 159 41.5

In addition to these revised engines, standard equipment will be enhanced across the entire Z4 range, with all models now receiving Bluetooth and USB audio interface. The new sDrive20i also benefits from Kansas leather upholstery and a rain sensor with automatic headlight activation as standard.

A new equipment package called Design Pure Balance, featuring extended Merino leather in Cohiba Brown and Black, Lotus White contrast stitching, anthracite wood and standard sports seats, becomes available with the revised Z4. Mineral White metallic paint is offered exclusively with this package.

Finally, to coincide with the launch of the new BMW 6 Series Coupe this autumn, diesel power becomes available for BMW’s flagship two-door models. It is a 3.0-litre twin-turbo in-line six-cylinder unit producing 313hp at 4400rpm and 630Nm of torque from only 1500rpm with the help of variable geometry turbocharging.

BMW’s ECO PRO mode, fitted as standard on both the 640d Coupe and the 640d Convertible, provides even more economical performance when driving at low speeds or when cruising. In this instance it allows the standard eight-speed automatic gearbox to shift up earlier while altering throttle sensitivity, engine mapping and the power consumed by electronic auxiliary systems.

Model Power (hp) Torque (Nm) 0-62mph (seconds) Top
Speed
(mph)
CO2 emissions (g/km) Combined mpg
BMW 640d Coupé 313 630 5.5 155* 144 51.4
BMW 640d Convertible 313 630 5.6 155 148 50.4

The BMW 6 Series Coupe and Convertible will now be available in M Sport trim. The M Sport package adds the M aerodynamic bodystyling package, 19-inch M light alloy wheels, dark chrome exhaust tailpipes, high-gloss Shadowline exterior trim and black brake callipers. Inside Anthracite headlining, Aluminium Hexagon trim, Sport seats and M Sport multi-function leather rimmed steering wheel are fitted.

The BMW 640d Coupe costs from £62,080 OTR while the 640d Convertible starts at £68,210 OTR.

BMW 6 Series Coupe (2) 

     

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