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RLL BMW Z4 GTE 56
BMW Z4 GTE
Race Car
Category American Le Mans Series GT (2013)

United SportsCar Championship GTLM (2014-2015)

European Le Mans Series (2014-2015)

Constructor BMW
Chassis Unitary construction steel body with welded safety cell made of extremely rigid precision steel tubing; safety fuel tank in CRP sandwich tray; pneumatic four-stamp jack system
Suspension (front) MacPherson axle with pushrods and wishbone, additionally with adjustable shock absorbers, H&R coil springs
Suspension (rear) Same as front
Engine BMW P65B44 4.36 L (4,360 cc; 266 cu in) V8 90° cylinder angle, 32-valve, DOHC, four valves per cylinder, naturally aspirated (no turbocharger), front engined, longitudinally mounted
Power 480 hp (358 kW) @ 7000 rpm (including air restrictor)

500 hp (373 kW) @ 7500 rpm (excluding air restrictor)

Transmission Hewland/Xtrac 6-speed semi-automatic paddle-shift gearbox, mechanical limited slip differential with additional oil/air cooler
Fuel VP Racing Fuels Ethanol E85 + Petronas Primax 97 15% gasoline
Tyres Michelin

Front: 300/680 - R18 Rear: 310/710 - R18 BBS Kraftfahrzeugtechnik/O.Z. Racing aluminum wheels Front: 12.5 x 18 inches Rear: 13 x 18 inches

Notable entrants BMW Rahal Letterman Lanigan Racing
Notable drivers Bill Auberlen
Maxime Martin
Jörg Müller

Joey Hand

Uwe Alzen
Dirk Müller

John Edwards Andy Priaulx

Dirk Werner

Graham Rahal

Bruno Spengler
Debut 2013 12 Hours of Sebring
Races competed 35
Race victories 6
Constructors' Championships 0
Drivers' Championships 0
Pole positions 0
Fastest laps 0
Designer {{{Designer}}}

In late 2012, BMW Motorsport set out to replace the successful M3 GT/GT2, a car which brought BMW two team and manufacturers' championships (2010 & 2011), one drivers championship (2011), back to back Sebring 12 Hour GT class wins in 2011 and 2012 in the American Le Mans Series, as well as numerous victories in the then Intercontinental Le Mans Cup (now the World Endurance Championship) in Europe. BMW turned to the successful Z4 GT3 platform to develop a LM GTE specification race car for the ALMS, and any GTE class series. The Z4 GTE uses the Z4 body, and same 4.4 litre V8 engine as the GT3 car. The drivetrain and gearbox are much the same in the two different types of Z4. The engine in the GT3 version produces around 500 horsepower, likewise in the GTE version, but the RPM limits are 9000, and 7500, respectively. Most of the differences between the two automobiles are in aerodynamics. The GT3 car has much more sophisticated aero, with a set of winglets on the front fenders to provide additional downforce. Both cars share a front splitter, while the GTE has slight modifications on the side edges to condition the airflow around the front wheels. The GT3 version also has a double deck rear wing, with the GTE car having a single deck wing. The rear diffuser is also less aggressive in the GTE car; it also has much wider bodywork in the rear of the car, with heavily modified aero around the wheel arches, front, and specifically rear, compared to the GT3.

The car was debuted at the 2013 12 Hours of Sebring by BMW Team Rahal Letterman Lanigan Racing running competitively despite being a new car. Leading the GTE class at times, both Z4 GTE's encountered suspension problems with three hours to go, and went 3-5 laps down from the class leaders. The cars also showed exceptional handling, but a slight lack in straight line speed as a result. The 2013 Long Beach Grand Prix proved to be the first win for the car, with the #55 Z4 GTE driven by Bill Auberlen and Maxime Martindriving a fine race, bringing home a 1-2 finish for BMW. A second win for the #56 car of John Edwards and Dirk Muller from pole position at Lime Rock Parkproved the pace of the car.The Z4 GTE will feature in the GTLM class of the Tudor United SportsCar Championship - a merger of the ALMS and Grand-Am, debuting at the 2014 Rolex 24 Hours of Daytona in January.

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Smallwikipedialogo.png This page uses some content from Wikipedia. The original article was at BMW Z4 (E89). The list of authors can be seen in the page history. As with Autopedia, the text of Wikipedia is available under the GNU Free Documentation License.

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