BMW's twin-turbo V8 X5 and X6 models have been given the M treatment, adding at least $30K to the price of the standard versions.
The X5 M will start at $172,900 (manufacturer recommended price, not including government and dealer charges) and the X6 M will be priced from $179,900. The comparable non-M models start at around $122K for the X5, and $146K for the X6.
The M premium covers significant upgrades, however. The top X models' 4.4-litre twin-turbo V8 petrol engine utilises a new manifold which joins the cylinder banks and the twin scroll turbochargers are positioned midst the V-section to avail better response.
Now on tap is 408kW at 6000 revs and 680Nm from an expansive 1500-5650rpm.
Popularity of the X5 five-seater and equally sales-successful X6 four-seater encouraged the brand to promote a "niche within a niche", according to BMW Australia. Spokesperson Toni Andreevski admitted local sales of the sporty X6 had exceeded expectations and powered-up versions of the X5/X6 would be a welcome option among the Luxury SUV segment.
BMW is aiming the X-M models at the likes of Mercedes-Benz AMG-kitted ML. More precisely the X5/X6 M double-barrel has the segment's star, the Porsche Cayenne Turbo, in its sights.
In fact -- at least before the new Cayenne arrives -- the X models can claim segment-leading credentials. They include consumption figures, at 14.3L/100km versus the current Cayenne Turbo's 14.9L requirement; much better than the thirsty Merc's ask of 16.5!
BMW also claims fastest 0-100km/h acceleration times, at a smidge under the Cayenne: 4.7 versus 4.8 seconds. The ML does the same sprint in 5.
The X M models come standard with a six-speed M Sports Automatic transmission, with shift paddle control. M upgrades include BMW's 'Servotronic' steering; electronically adjustable dampers and self-levelling air suspension on the rear axle; "high-performance" brake system and the brand's M Dynamic Mode which allows the driver some control over the vehicle's stability and traction control systems.
The X6 M is available for sale this month while the X5 M is scheduled for release in January 2010.
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