London Supercars. BMW M4 Seen in London Close to Liberty Department Store


Nice sighting yesterday night in London. This shiny M4 was parked just behind Liberty, close to Regent Street.




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On September 25, 2013, BMW released technical specifications of the M4 powered by a M-tuned S55B30 engine, although it is a 3.0 L inline engine. BMW states that it is completely different to the N55 engine seen in other BMW 35i models, this engine has been built specifically for the New M4/M3, displacing 3.0 L and redlining at 7,500 rpm. The rev limiter coming in at 7,600rpm. The engine uses two mono-scroll turbochargers. The power is rated at 425 hp while torque will be 550 N·m. The weight of the 6 speed manual M4 is 1,613 kg, with the M-DCT some 40 kg heavier. Both 6-speed manual and 7-speed M-DCT transmissions are available. The 7-speed M-DCT transmission accelerates the car from 0 to 100 km/h in 4.1 seconds. The 6-speed manual transmission does 0 to 100 km/h in 4.3 seconds.



Carbon fiber reinforced plastic is used extensively throughout the car, including drive shaft, roof, roof bow, trunk, and front strut brace. For the first time in the M vehicle, an electric power steering unit is being used. The steering system is specifically tuned for the M3 and M4. The 18 inches (460 mm) and 19 inches (480 mm) wheel options are available with lightweight forged alloys being standard. The M compound brakes come standard (in blue), while carbon ceramic brakes (in gold) are available as an option.




The M4 features Active Sound. A live amplification of the engine's natural sound will be inducted into the passenger cabin via the speakers. BMW says this technology has been used so that the well insulated cabin can reduce road/wind noise but still provide the driver with the sporty sound of the M powered engine. There are no artificial sound or any pre-recorded track.

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