AutoExpress: BMW ActiveHybrid 5 Drive Review

5-series | February 1st, 2012 by 3
BMW-Active-Hybrid-5-063

UK magazine AutoExpress spent some time behind the wheel of the new BMW ActiveHybrid 5. The BMW ActiveHybrid 5 brings together a BMW TwinPower Turbo …

UK magazine AutoExpress spent some time behind the wheel of the new BMW ActiveHybrid 5. The BMW ActiveHybrid 5 brings together a BMW TwinPower Turbo six-cylinder in-line engine, an electric drive system and an eight-speed automatic gearbox for the first time. The 306 hp six-cylinder in-line engine with BMW TwinPower Turbo technology in the BMW ActiveHybrid 5 is the same unit used in other BMW vehicles, and it is aided by an electric motor developing 40 kW/55 hp. Energy is supplied by a high-performance lithium-ion battery integrated into the luggage area.

Its hybrid drive system generates combined output of 340 hp, allowing the car to be driven on electric power alone up to 60 km/h (37 mph). BMW ActiveHybrid 5 accelerates from 0 to 100 km/h (62 mph) in 5.9 seconds with exceptional fuel consumption: 6.4 and 7.0 litres per 100 kilometres (33 – 36.7 mpg). CO2 emissions are reported at 149 – 163 grams per kilometer.

Here is an excerpt from the review:

AutoExpress: BMW ActiveHybrid 5 Drive Review

In normal mode, the ActiveHybrid 5 isn’t quite as rapid as there’s no extra battery power – we would estimate the 0-62mph time to be around 7.5 seconds. To maximise economy, the ActiveHybrid 5 debuts BMW’s Intelligent Energy Management software as part of the optional Navigation Professional system. This reads the road ahead and reacts accordingly, selecting which 
mode will be most efficient for the cleanest driving possible.

The hybrid claims to emit 16 per cent less CO2 than the 535i SE and improve economy by around 12 per cent. This means emissions as low as 149g/km with average returns of up to 44mpg when driving in the most frugal EcoPro mode.

Efficiency also depends on which wheels and tyres you go for. The ActiveHybrid 5 comes with 17-inch low-resistance tyres as standard, but our test car featured optional 18-inch Streamline alloy wheels. On the larger wheels over Portugal’s undulating coastal terrain, the best we achieved was 30.1mpg. In a 535d diesel we would expect to be getting nearer 40mpg in regular driving.

Full review at AutoExpress

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