BMW has taken the wraps off the facelifted 6-Series range which will premiere next month at NAIAS in Detroit.

BMW has taken the wraps off the facelifted 6-Series range which will premiere next month at NAIAS in Detroit.

It's not that easy to spot the tweaks implemented in this facelift as BMW only altered the front bumper and made some subtle revisions to the kidney grille. The updated headlights now come as standard with an LED main beam function while at the back the bumper has gone through mild surgery. The Bavarian marque is also adding several new exterior metallic paints called Glacier Silver, Cashmere Silver, Mediterranean Blue and Melbourne Red.

Fresh 17-inch wheels are available for the six-cylinder models whereas the beefier V8 versions get 18-inch rims while new multi-spoke 20-inch alloys are an extra option. On the inside the changes are modest as BMW has only added a few two-tone leather upholsteries, their latest head-up display technology and improved some of the materials.

Engines have been carried over from the previous version, all the way up to the twin-turbo V8 4.4-liter developing 560 HP (412 kW) and 680 Nm (502 lb-ft) granting the M6 with a 0-62 mph (0-100 km/h) run in 4.2 seconds and a limited top speed of 155 mph (250 km/h) which can be increased to 189 mph (305 km/h) when configured with the optional M Driver’s Package.

At an additional cost, all engines can get an xDrive all-wheel drive system which increases weight by 75 kg (165 lbs) but it improves traction as well as acceleration from a standstill.

The entire refreshed BMW 6-Series range will get its public debut in January 2015 at the North American International Auto Show.

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