The upgrades they made for the M135i were first revealed at the Geneva 2013 motor show. A normal M135i sports a turbocharged 3.0 liter straight 6 engine giving out 320hp and 450Nm of torque. Pretty good for a car its size.

But Sportec thought they could do better. And they did so with two kits. The Stage one kit will bring you power up to 355hp and 510Nm torque. This is all done by a reworked ECU.

For the Stage two kit, besides the altered ECU, you will also get a sport exhaust system. This system comes with a new down pipe and a 200 cells sport catalyst. The Stage two kit will bring you up 50hp, to a respectable 370hp.

The BMW M135i equipped with Sportec’s Stage two kit will reach 100km/h in just 4.6 seconds (down from 5.1) and will top at 275km/h. Although no price tag has been given for the Stage one, the Stage two kit will leave you 4.300 euros short.

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The guys at Sportec in particular are the ones we can be thankful to for this. They couldn’t escape the sensible nature of their nation so they didn’t go overboard.

The body kit remains the same as the original, the BMW X6 SP6X looks a lot like the standard model, apart from the wheels and paint scheme.

A new black paint was required and mixing it with traditional BMW racing stripes produced a pleasant result. No world changing has happened but there’s a clearly distinctive presence.

Under the bonnet, Sportec have focused on being annoyingly considerate by offering a tweak for only one of the engines available.

It’s the 3.0 liter inline six cilinder diesel. When that version of the X6 leaves the factory, it’s pushing out 300 horsepower and 300 lb-ft of torque.

Nice round figures which have been described as some of the best delivered in the business. The tuner then went on to offer some boost up to 370 horses and 553 lb-ft of torque.

We’re hoping there’s still some reasonable smoothness but that extra performance does sound like a lot of fun. Having 70 extra ponies does give the X6 an improved pace.

Particularly, the BMW X6 SP6X can manage 0-62 mph in just 5.4 seconds (1.1 seconds quicker) and the top speed goes from 130 mph to 164 mph.

It also lost some 88 lbs thanks to those massive OZ 20 inch lightweight alloy.

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