A German tuner called Versus Performance went on and did a bunch of tuning thingamajigs to one of the most interesting BMW models available right now.

The F20 BMW M135i was tweaked by these ambitious Germans and they tweaked quite a lot of aspects about it. The engine, the suspension, the wheels and tires all got upgrades.

For the engine an ECU remap and the fitting of a Bastuck exhaust system means you no longer get 320/332 but 390 horsepower and 405 lb-ft of torque.

That force fed 3.0 liter straight six cylinder engine is really getting worked up and getting its power down requires more than putting your foot down.

The suspension the car rides on is a KW Clubsport setup and it’s hooked up to 18 inch ATS Motorsport alloys wrapped in Michelin Pilot Sport Cup tires.

All of these changes are bound to make a really big difference which is why Sport Auto’s Christian Gebhardt took it for a proper test.

Forget the back road calm driving and chit-chat about the interior trim quality and value for money factor. The whole thing went down at the Hockenheim track.

As you can see, there was no messing about. He managed to get round the track in 1:13.5, which is 2.2 second quicker than the standard M135i.

The new time is also comparable to what the E46 BMW M3 CSL managed. Now that is seriously impressive a figure.

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Due to be properly unveiled at the fast approaching Essen Motor Show. The German event is, if you will, a more mature version of SEMA.

It’s not as big, as fast or as flash and we’re all thankful for it. AC Schnitzer will have quite a display there but we like to think this is one of the highlights.

The F20 BMW M135i they used for this package had the M Performance package installed before they began so it was already a rare vehicle.

Its engine 3.0 liter twin turbocharged engine used to develop 320 horsepower and 332 lb-ft of torque, before it received a few tweaks and was bumped up to 360 horses.

40 extra horsepower is something one always welcomes but AC Schnitzer have kept their sensible trousers on and have managed the upgrade without affecting the CO2 emissions.

The new engine is teamed to an equally improved suspension which includes a a custom suspension spring kit. The alloy wheels are also different which can range up to 20 inches.

The latter doesn’t sound so sensible. Thankfully, the interior is modified discretely enough that it won’t be annoying.

Due to some aluminium inserts, custom velour floor mats, leather patches here and there you get that AC Schnitzer feel inside the car as well as under the bonnet.

Color choice for the display model isn’t the best option ever. In fact it does seem to be a bit of a SEMA sort of choice.

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