BMW has made four-wheel drive available to the 7 Series for the first time in the UK. An even more usable flagship results

What is it?

While we’ve found reason in the past to censure BMW for its blind spot when it came to four-wheel drive in right-hand-drive saloons, the discrepancy wasn’t often mentioned with regard to its big-ticket flagship. That’s because the 7 Series, like most cars its size, has always been squarely focused on the formal business of cosseting and carriaging the wealthy - not gamely scrabbling for traction in extremis. 

Nevertheless, in parts of the world that resemble a chest freezer for half of the year, such a 7-Series has been available now for a generation. Consequently, with its latest platform properly prepped for it, BMW’s rear-bias xDrive arrangement finally makes it to the UK version. The drivetrain is actually available on the entry-level 730d - although not the long wheelbase variant. If you want the stretch with four-wheel-drive, you’ll need to upgrade to the 740Ld - the model we test here. 

What's it like?

No matter which version you choose, you’re unlikely to register much difference in everyday driving. That’s because a) the adaptive xDrive system defaults the shove to the back axle anyway, and b) the 7 Series - even in standard configuration - would prefer its driver (and passengers) to register only perpetual, indeterminate waft; not the grimy specifics of how it actually operates.

In this respect, the 740Ld is a worthily serene old Panzer. The engine is the same oil-burning 3.0-litre turbocharged straight-six we road tested last year in 730d format, but with the power increased from 261bhp to 316bhp, including an additional 44lb ft of torque. 

The upgrade is a likable one, throatily maturing the 7-Series from capable two-tonne cruiser to utterly self-assured dreadnought. There’s no indecorum to the higher output (perish the thought) just a pleasant sense that the motor and eight-speed auto are labouring less under the mass of the car.

Adding the modest extra weight of the xDrive system has done nothing to harm the model’s self-leveling ride quality either, which on 18in wheels and winter tyres, seemed better behaved at low speeds than we remember. 

Any perceptible shuffling of the power between axles is limited on dry surfaces to the kind of vigorous pull aways no chauffeur would chance his cap on. Do so though, and, predictably, the car surges forward more cleanly than its rear-drive stablemate would. Similarly, if you insist on it, aggressive work up to an apex can be attempted with more confidence; the traction and positivity of the front axle having been duly enhanced. 

The real boon though - one only realised in a two-minute unmade, snowy incline during a seven-hour drive - is the 740Ld’s impassive response to finding something less consistent than tarmac under its rubber.

With minimum fuss, and with the comfort-orientated adaptive air suspension merrily replicating the gloopy body movement of a much taller SUV, our limo found the necessary purchase to make a potentially embarrassing slippery climb a complete non-event. Which, of course, is the whole point. 

Should I buy one?

That single salient feature, as it does with xDrive buyers in every other BMW offering, ought to be sufficient to make 7 Series customers cough up the comparatively small premium to upgrade. Indeed, those interested in the 740d’s extra grunt will have to because the option is AWD only.

For most UK owners, the system won’t be essential kit, and even fewer will appreciate the dynamic advantage. But it’s a nice-to-have. And like most nice-to-have cost options on BMW’s mothership, it ought to be ticked on that basis alone. 

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BMW 740Ld xDrive

Location Surrey; On sale Now; Price £76,010; Engine Straight-six, 2993cc, turbocharged, diesel; Power 316bhp at 4000rpm; Torque 501lb ft at 1750rpm; Gearbox Eight-speed automatic; Kerb weight 1910kg; Top speed 155mph; 0-62mph 5.3sec; Economy 54.3mpg; CO2/tax band 137g/km, 25%

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Cleverzippy1 3 March 2016

At least his post isn't

At least his post isn't littered with grammar and spelling mistakes, FFS.
typos1 2 March 2016

Its not exactly "the same

Its not exactly "the same engine" as the 730d you tested last year, its the twin turbo version hence the extra 55 horsepower and 44lbs/ft, ie the same engine as the 335d and 535d, whereas the 730d has the same engine as the 330d and 530d, not had is it ? Common Nick, make it sound like you know what youre talking about, even if you dont !