Geneva Preshow: AC Schnitzer Turns the BMW 550i into the 540HP ACS5 Sport S Saloon

AC Schnitzer has prepared two production ready concept cars for this year's edition of the Geneva motor show. We've already told you about the first car, the diesel-powered 99d that is based on the BMW Z4 roadster, so here's the tuning firm's second proposal. The ACS5 Sport S Saloon is based on the latest BMW 550i sedan and is said to feature numerous performance and styling upgrades, though AC Schnitzer is keeping mum about most of the details.

According to the tuning house, the 550i's twin-turbocharged 4.4-liter V8 engine with 407HP and 600Nm has been modified to deliver 540HP and 750Nm, which helps the sedan model to complete the 0 to 100km/h (62 mph) sprint in 4.5 seconds and reach a top speed of 320 km/h (199 mph). AC Schnitzer said that despite the power bump, fuel consumption and CO2 emissions of the ACS5 Sport S are equivalent to the standard BMW 550i.

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AC Schnitzer 99d is a $205,500 BMW Z4 Fitted with a Diesel Engine that Returns 3.8lt/100km or 61.9 mpg

BMW's decision to create the new 'i' sub-brand for the growing number of eco-conscious buyers has apparently rubbed off its partners like AC Schnitzer, as the German tuning firm will be launching a production ready concept based on the Z4 hardtop-roadster at next week's Geneva motor show.

Developed as an eco-friendly sports car that adapts to AC Schnitzer's new motto "Efficient Performance", the 99d gets its name from its CO2 emission levels and the diesel powerplant housed under its hood.

More specifically, the tuning house fitted the Z4 with the BMW 320d Efficient Dynamic's 2.0-liter four-cylinder turbocharged diesel engine. After some performance upgrades, the four-pot's output was lifted from 163HP and 380Nm, to 190HP and 420Nm.

AC Schnitzer says the 99d can go from naught to 100km/h (62mph) in 6.9 seconds en route to a top speed of 235km/h (146mph), while returning an impressive fuel consumption of 3.8lt/100km (61.9 mpg US) with CO2 emissions of just 99.18 g/km.

To achieve these striking numbers, the German tuner also reduced the roadster's weight by 230kg (507 pounds).

"With the AC Schnitzer 99d, we've succeeded in building the previously inconceivable: an up-rated performance vehicle whose CO2 emissions have been reduced to 99 g/km and which, despite its sustainability, offers pure driving pleasure. That's Efficient Performance by AC Schnitzer," the company said in a brief statement.

According to the tuner, the price of the 99d is €149,000 or about US$205,500 at today’s exchange rates, but that's about all the details AC Schnitzer is willing to release before unveiling the car at the Geneva Salon.

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BMW's Geneva Show Vision ConnectedDrive Roadster Concept Signals the Return of the Shark Nose

Truth to be said, we miss a lot of things from the BMW cars of the pre-Bangle era, but if we had to single one out, it would most likely be the characteristic and aggressive shark-nose of the old-school bimmers. However, BMW's new concept roadster model that was revealed today ahead of its world premiere at the Geneva Salon in March, may very well signal the return of one of the German firm's most characteristic styling traits.

The concept study is called the Vision ConnectedDrive, and with its reveal, BMW is launching a new design language and an array of intelligent driver information technologies that will find their way in future production models.

The two-seat roadster model was penned under the supervision of BMW's new head of design, Adrian von Hooydonk. Aside from the pointier front end with the shark-nose grille, you should also pay attention to the cleaner overall design, the blending of taut and multi-layered surfacing treatments and the shape of tail lights.

The interior is far more futuristic but the minimalistic design philosophy may be applied in a more production kind of way in the next generations of the BMW models.

As mentioned previously, the Vision ConnectedDrive also showcases numerous technologies including a fully programmable instrument cluster with , three-dimensional displays plus a separate HUD (Head-Up Display) unit, and various driver assistance systems.

BMW did not mention anything in the press announcement about the roadster concept's powertrain hardware, which could mean that the Vision CD is a static study with nothing under the hood.

BMW's Geneva Show Vision ConnectedDrive Roadster Concept Signals the Return of the Shark Nose

Truth to be said, we miss a lot of things from the BMW cars of the pre-Bangle era, but if we had to single one out, it would most likely be the characteristic and aggressive shark-nose of the old-school bimmers. However, BMW's new concept roadster model that was revealed today ahead of its world premiere at the Geneva Salon in March, may very well signal the return of one of the German firm's most characteristic styling traits.

The concept study is called the Vision ConnectedDrive, and with its reveal, BMW is launching a new design language and an array of intelligent driver information technologies that will find their way in future production models.

The two-seat roadster model was penned under the supervision of BMW's new head of design, Adrian von Hooydonk. Aside from the pointier front end with the shark-nose grille, you should also pay attention to the cleaner overall design, the blending of taut and multi-layered surfacing treatments and the shape of tail lights.

The interior is far more futuristic but the minimalistic design philosophy may be applied in a more production kind of way in the next generations of the BMW models.

As mentioned previously, the Vision ConnectedDrive also showcases numerous technologies including a fully programmable instrument cluster with , three-dimensional displays plus a separate HUD (Head-Up Display) unit, and various driver assistance systems.

BMW did not mention anything in the press announcement about the roadster concept's powertrain hardware, which could mean that the Vision CD is a static study with nothing under the hood.

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