VIDEO: AC Schnitzer's Diesel-Powered BMW Z4 and 540HP 5-Series

The new BMW Z4-based 99d roadster and the BMW 550i-based ACS5 sports saloon will hog the limelight on AC Schnitzer's stand at this week's 2011 Geneva Motor Show. Both models were developed to offer performance without compromising on fuel efficiency and CO2 emissions. The Z4 99d comes with a 190HP 2.0-liter turbo diesel engine, while the ACS5 features a 4.4-liter turbocharged V8 gasoline unit pumping out 540-ponies. Scope out the first promotional videos of AC Schnitzer's newest tunes right after the break.

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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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Official: BMW 2.0-liter Turbo Coming to the USA in 2011, Replaces 3.0-liter Straight-Six

We knew BMW's brand-new 2.0-liter turbocharged four-cylinder engine was coming to the States but now, the Bavarian automaker has made it official. The German company released a statement saying the first cars to be equipped with the force-fed four-banger will "arrive later this year" in the USA.

The 2.0-liter unit made its debut on the X1 compact crossover and will eventually replace BMW’s trademark normally aspirated 3.0-liter inline six. While BMW's US division has yet to announce which models will get the new engine, in Europe, the automaker has already confirmed the powerplant for the Z4 coupe-roadster and the 5-Series range.

In the U.S., the naturally aspirated 3.0-liter inline-six is currently available on these models:

-128i Coupe / Convertible 230HP

-328i Sedan / Coupe / Convertible / Sports Wagon / xDrive 230HP

-528i Sedan 240HP

-X3 xDrive28i 240HP

-Z4 sDrive30i 255HP

There's a strong possibility that BMW will offer the new 2.0-liter turbo on all of these models in the U.S. but this has yet to be confirmed.

BMW's more for less 2.0-liter unit combines twin-scroll turbocharging with high-pressure direct-injection and the firm's VALVETRONIC intake control. In the X1, the maximum output of 240 horsepower is achieved at 5,000 rpm, or 1,500 rpm lower than in the normally-aspirated 3.0-liter inline six. The peak torque of 260 lb-ft, comes on tap at just 1,250 rpm, which according to BMW, is not only 30% more torque than the aforementioned inline six, it also peaks 1,500 rpm earlier. On top of that, BMW says the four-pot also returns 16 per cent better fuel consumption and lower CO2 emissions.

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BMW Officially Confirms 2.0-Liter Turbo for Z4 and 5-Series

Earlier this week, BMW unveiled its new 2.0-liter turbocharged gasoline engine which will effectively replace the firm's classic, naturally aspirated straight-six. The force-fed four banger made its debut on the X1 compact crossover, but today, the Bavarian automaker officially confirmed that the new engine will be available in other models "such as the BMW Z4 and 5 Series in due course." While BMW did not give out a launch date, expect to see both models towards the end of the year or early 2012, depending on the market.

In the X1 28xDrive, the new turbocharged twin-scroll engine churns out 245hp and 350Nm torque from just 1,250rpm, with BMW claiming that the four-cylinder unit is lighter and more compact than the equivalent six-cylinder engine, while also returning 16 per cent better fuel consumption and lower CO2 emissions.

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New Rumors Surface about 4-Cylinder Turbocharged BMW Engine, this time for Z4 Roadster

Last time we reported about BMW's long-rumored family of turbocharged 4-cylinder engines, it was in the summer of 2010. Meanwhile, the German manufacturer hasn't revealed anything on the matter, giving the whole affair an almost mythical status.

However, a new rumor has surfaced, with Automobile Magazine tweeting that the entry level BMW Z4 will soon get a new, 4-cylinder force inducted engine, as a replacement for the naturally aspirated inline-six.

The exact tweet was “BMW new 4-cyl coming this year in Z4 roadster. Replaces nat asp 6, so at least 200 hp” and, seeing that average fuel consumption regulations and emissions standards are getting stricter by the day, it sounds like a logical move for BMW.

The Bavarian company sure knows how to build a fine turbocharged engine and there are many models in its line-up that could benefit from a more frugal, and equally if not more powerful four-pots. The 1-Series and 3-Series are just two that come to mind right, although we’re pretty sure that X3 owners wouldn’t mind better fuel economy as well.

Clearly, the question here is not “why”, but rather “when”, and at the rate things are going, we’d say let's meet up again this summer and we’ll hopefully have some more official info for you.

By Csaba Daradics

Source: Automobile via Bimmerpost

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Top Gear's Christmas Special Cars go on Display at the World of Top Gear Exhibition in the UK

This year’s Top Gear Christmas Special saw Jeremy Clarkson, Richard Hammond and James May embark on their most dangerous challenge yet: following the path of the three wise men, which took them on a 1,200 mile (1,932 km) journey, from Iraq to Bethlehem. In classic Top Gear fashion, the TV show hosts completed the trip in a trio of specially modified cars. These vehicles are now on display in the World of Top Gear exhibition at Beaulieu, UK.

Jeremy Clarkson bet his money on a Mazda MX5 that featured a unique “car of many colors” paintjob, an “axle of evil” and body full of holes, as a testimony to a “bulletproofing” plan gone wrong. An oversized bullbar and hookah pipe were also installed, but the latter fell off at some point in the journey.

James May went for an Afrika Korps and Luftwaffe themed BMW Z3, complete with a shovel and pickaxe mounted on the bonnet, plus a gas canister on the left fender.

Richard Hammond used a Fiat Barchetta, which, surprisingly, proved to be quite reliable. Special touches applied included actual “bits” of desert glued to the front of the car and parts of a Bedouin tent strapped to the rear.

World of Top Gear features a collection of cars used over the years in different challenges by the cast of the TV show and it also includes the “Enormodrome”, a recreation of the actual studio where the show is filmed.

“We like to keep the exhibition as up to date as we possibly can and what could be better than for fans to see the show on TV and then the cars just a few days later”, said Stephen Munn, Commercial Director at the National Motor Museum.

For more information visit www.beaulieu.co.uk.

By Csaba Daradics

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G-Power Transfers BMW M5 Hurricane RR Supercharger Tech to the E85 Z4 Roadster

German tuner G-Power has decided to share some of the technology found on the 800-horsepower M5 Hurricane RR and M6 Hurricane RR with the masses by offering a modified version of the supercharger system on the [previous generation] E85 BMW Z4 as well as the E46 Series with the 3.0-liter straight-six engine. On both models, the redesigned SK Plus supercharger system replaces the previous ASA TM3 supercharger.

The geometry of the compressor has been modified as has the housing, resulting in a more efficient build-up of boost in the middle rev-range. With a 0.3 bar pressure boost, the SK Plus kit increases output by 55 ponies, to 286 hp and 345 Nm (255 lb-ft). Thanks to the extra oomph, the tuned Z4 accelerates from standstill to 100 km/h (62 mph) in 5.4 seconds.

To be able to wring out every bit of performance delivered through force induction, the German tuner recommends customers to specify their cars with a 9-way adjustable coil-over sport suspension. 20-inch multi-spoke Silverstone Diamond alloys, wrapped around in 245/30 front and 285/25 rear Michelin tires, can be ordered, too. For a more ferocious roar, G-Power can provide a new, hand-built rear silencer, with matching tail pipes.

Granted, these changes don’t transform the Z4 SK Plus into a Hurricane killer, but the tuner charges only €2.500 (VAT excluded) for the performance upgrade, which as we mentioned previously, is also available for the E46 BMW 3 Series.

By Csaba Daradics

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G-Power Transfers BMW M5 Hurricane RR Supercharger Tech to the E85 Z4 Roadster

German tuner G-Power has decided to share some of the technology found on the 800-horsepower M5 Hurricane RR and M6 Hurricane RR with the masses by offering a modified version of the supercharger system on the [previous generation] E85 BMW Z4 as well as the E46 Series with the 3.0-liter straight-six engine. On both models, the redesigned SK Plus supercharger system replaces the previous ASA TM3 supercharger.

The geometry of the compressor has been modified as has the housing, resulting in a more efficient build-up of boost in the middle rev-range. With a 0.3 bar pressure boost, the SK Plus kit increases output by 55 ponies, to 286 hp and 345 Nm (255 lb-ft). Thanks to the extra oomph, the tuned Z4 accelerates from standstill to 100 km/h (62 mph) in 5.4 seconds.

To be able to wring out every bit of performance delivered through force induction, the German tuner recommends customers to specify their cars with a 9-way adjustable coil-over sport suspension. 20-inch multi-spoke Silverstone Diamond alloys, wrapped around in 245/30 front and 285/25 rear Michelin tires, can be ordered, too. For a more ferocious roar, G-Power can provide a new, hand-built rear silencer, with matching tail pipes.

Granted, these changes don’t transform the Z4 SK Plus into a Hurricane killer, but the tuner charges only €2.500 (VAT excluded) for the performance upgrade, which as we mentioned previously, is also available for the E46 BMW 3 Series.

By Csaba Daradics

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BMW Z4 Silver-Top: New Limited Edition Model, only for Japan

Another day, another BMW special for the Japanese market. Following the recent launches of the X6 xDrive35i and 120i Coupe Performance Unlimited editions, BMW has released another limited production model for Japan, this time based on the Z4 hardtop roadster.

As its name suggests, the most prominent feature of the Z4 Silver Top edition is the Titanium Silver finish of the two-piece electric folding hardtop and exterior mirror caps, which create a contrast with the Black Sapphire paintjob of the body. Inside, the special edition model gets Kansas Coral Red Kansas leather seats and aluminum decorative trim.

The Z4 Silver Top is offered exclusively in sDrive23i guise, which translates to a 2.5-liter straight-six with 204-horsepower and 250Nm of torque, linked to a 6-speed automatic transmission.

Only 15 cars are scheduled for production, with prices set at 5,590,000 Yen (about US$68,900 at today's exchange rates).

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BMW Recalling 151,000 Vehicles in the U.S. to Repair Fuel Pumps

BMW's North American division has issued two separate voluntary recalls of some 151,000 vehicles sold in the USA to fix fuel-pump defects that may reduce engine performance and in some models, even a loss of power assist for the steering and brakes.

The first recall concerns certain model year BMWs equipped with twin-turbo inline six-cylinder engines, including the MY2007-2010MY 335i, MY2008–2010 135i, 535i and X6 xDrive35i Sports Activity Coupes, and MY2009 – 2010 Z4 Roadster sDrive35i. The Bavarian company said approximately 130,000 vehicles are potentially affected from this recall with about 40,000 expected to require a new high pressure fuel pump.

"Symptoms include long-crank engine starting times along with the illumination of the "Service Engine Soon" light. In certain cases, the driver may experience reduced engine performance in a Safe Mode accompanied by a tone and the illumination of the "Engine Malfunction" light," BMW said in a statement.

According to the company, the recall will entail replacement of the high-pressure fuel pump and/or a software update.

The second recall from BMW affects a total of 20,800 MY 2008 X5 Sports Activity Vehicles equipped with normally-aspirated inline six-cylinder engines to replace the low-pressure fuel pump.

BMW said that in this case, if the fuel-pump experiences a failure, "the engine will stop running and the driver will lose power assist for the steering and brakes although both the steering and the brakes remain operational."

For more information on the recall, owners of the affected models can contact BMW Customer Relations at 1-800-563-4269 or email CustomerRelations [at] bmwusa.com.

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