Tuesday 16 January 2018

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Cork Independent

Motors

BMW creates hardcore M3 CS

Thursday, 23rd November, 2017 8:53am

Building on a fine heritage of lightweight, high performance sports saloons, the new special edition BMW M3 CS is a combination of high performance, dynamic performance and everyday usability.

Thanks to the use of carbon fibre reinforced plastic (CFRP) and a subsequent low kerb weight, a more sporting suspension set-up, increased power and torque and a great interior style, the BMW CS is a car worthy of the CS moniker.

Power for the latest special vehicle to come out of BMW M GmbH is from a six-cylinder in-line engine – a configuration of which has a long tradition at BMW – and one that ensures the absolute best performance in the new BMW M3 CS. Compared to the M3 with Competition Package, the maximum power has been increased by 10hp.

The maximum torque of 600Nm is about 10 per cent higher (M3 with Competition Package: 550Nm) and is available from 4,000rpm to 5,380rpm.

The outstanding power output gives the BMW M3 CS performance on a par with supercars, with the sprint from zero to 100kmh taking just 3.9 seconds.

Thanks to the M Drivers Package, the maximum speed is limited to 280kmh. The 3.0-litre unit uses M TwinPower Turbo technology, with two spontaneously responsive mono-scroll turbochargers.

Together with the high precision injection (HPI) petrol injection system, the Valvetronic variable valve control system and the double-Vanos stepless camshaft adjustment help to deliver optimum performance.

Boost is built up continuously from just above idle, while the fully variable valve and camshaft adjustment ensures efficiency. As a result, the engine not only delivers its power continuously over a very wide engine speed range, but also works economically, keeping fuel consumption low at 34mpg and thus exhaust emissions low at 194g/km.

The engine enables a downshift speed of 7,600rpm, unusually high for a turbocharged engine with double supercharging. Thanks to its ‘closed-deck’ design, the crankcase is particularly rigid enabling high cylinder pressures.

Also designed for high performance is the forged, lightweight yet highly torsion-resistant crankshaft, which keeps the weight of the rotating mass low and ensures an even more spontaneous response of the twin-turbo engine.

Of course, an M engine must also have the appropriate soundtrack. The new M3 CS has a twin sports exhaust system with four tailpipes, elegantly integrated into the CRFP rear diffuser.

It offers the lowest possible exhaust gas backpressure for power delivery and is controlled by a damper system. The dampers are electrically controlled and not only provide optimal feedback on the load condition of the engine over the entire speed range, but also give a typically aggressive ‘M’ sound.

Incidentally, the driver can influence the mode of operation of the valve system by preselecting a driving mode. The tailpipes are made of stainless steel and carry the M emblem.

The CS is equipped as standard with Adaptive M suspension. Here, the driver can choose between three modes: Comfort, Sport and Sport +.

The extremely precise electro-mechanical steering of the M3 CS can also be influenced by three different characteristic settings available at the press of a button.

The high-tech chassis also includes the Active M differential, which further boosts the already excellent traction and suspension, further optimised by means of an electronically controlled slat lock.

The lock control unit communicates with the DSC (dynamic stability control), it takes into account the accelerator pedal position, the wheel speed and the yaw rate of the car and adapts with precision to driving conditions.

Order books for the M3 CS open in January, and Irish prices are likely to be on the naughty side of €160,000.

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