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The E46 M3 GTR is a special competition-based version of E46 M3 that was designed to compete in the American Le Mans Series. Changes to the ALMS regulations ultimately rendered the model ineligible for competition, though not before a small number of street-legal iterations were produced in early 2002 in order to satisfy the original ALMS rules (which stated that an equivalent street version had to be offered to the public on at least two continents within 12 months).

Approximately five examples of the E46 M3 GTR street version are thought to have been produced. Each was converted from a standard E46 M3 production model (and thus were included within the standard E46 M3 VIN sequence) and priced at 250,000 Euros. Most (if not all) were painted Titanium Silver metallic (354).

Essentially a thinly-veiled race car, the road-going E46 M3 GTR differs greatly from the standard production E46 M3. Instead of the usual 3.2-liter S54 inline-six, the M3 GTR is powered by a compact 90-degree V8 with aluminum block and heads. Displacing 3,997-cc, the dry-sump motor produces 380 hp (DIN) at 7,000 rpm and 288 lb-ft of torque at 4,500 rpm in road trim. Power is transferred via the Getrag six-speed manual gearbox and M Differential Lock from the regular E46 M3. The chassis benefits from a wider track and more aggressive spring/shock rates, though the steering rack, 12.8-inch cross-drilled vented disc brakes with compound calipers and forged 19-inch M Double Spoke II alloy wheels carry over unaltered from the regular E46 M3. BMW claims the 2,976-pound (dry) E46 M3 GTR can accelerate from rest to 62 mph in 4.7 seconds.

The bodywork of the M3 GTR features a much more aggressive front fascia and rear valance, both made of lightweight carbon fiber-reinforced plastic (GFP). The entire roof, large fixed rear spoiler and smaller rear spoiler lip are also constructed of GFP. Finally the aluminum hood contains two louvered cooling ducts. The interior retains the standard E46 M3 dashboard, instruments and steering wheel (without the audio system or cruise control switches), though the rear seats have been deleted and heavily-bolstered manual front racing seats covered in black cloth or leather replace the heavier M3 items There are also special "cube-effect" interior trim and unique door sill plates with the "M3 GTR" insignia.

· Publicēju marchello December 19 2011
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