A LIGHTER, more powerful version of the legendary BMW M3 is ready to set pulses racing in this country.
First unveiled at this year's Geneva Motor Show in March, the new M3 CSL is even quicker and more responsive than its thoroughbred cousin, promising driving purists the most authentic motor sport experience in a production car.
A limited run will be built in Munich between now and December, with only 500 destined for the UK roads. First deliveries of the £58,455 car begin in August.
In creating the M3 CSL, which stands for Coupe, Sport and Lightweight, engineers at BMW's M division succeeded in stripping 110 kg from the M3. The result is a car that benefits from an impressive power to weight ratio of just 3.85 kg/bhp and accelerates from 0-62 in 4.9 seconds. Top speed is electronically limited to 155 mph, but can be de-limited for holders of a racing licence.
But the M3 CSL, which is based on a concept first shown at Frankfurt in 2001, is not just about lighter materials. Designers were tasked with creating a car true to BMW's motor sport heritage, right down to the last component. And by engineering a range of power and handling improvements, BMW has created a vehicle capable of breaking the eight minute lap time at the famous Nurburgring, North Circuit in Germany.
For optimum weight reduction, BMW M engineers turned to widespread use of carbon fibre reinforced plastics, lightweight aluminium and glass fibre plastics. Much of this technology has been transferred from Formula 1.
BMW's M3 engine has just received its third accolade in a row at the 2003 International Engine of the Year Awards. Now an enhanced version of this
3.2-litre straight-six power house has been developed for the CSL. Power output has been boosted from 343 to 360bhp at 7,900rpm, while torque is up from 365 to 370Nm at 4,900rpm.
BMW M's most sporting transmission is also fitted to the CSL - the paddle shift SMG gearbox with Drivelogic and new software, which is also based on F1 technology, allowing ultra-fast shifting through all six gears, using the gear stick or paddles, with changes taking only 0.08 seconds. Drivers can choose between sequential and automated mode.
Precision handling comes courtesy of a wider front track and modified suspension, including bespoke springs and dampers, improved rack-and-pinion steering while substantially modified brakes slow the CSL to a standstill from 62mph in less than 34 metres - about seven-and-a-half car lengths.
There is also M Track Mode a unique function of dynamic stability control, activated via a steering wheel-mounted switch, which allows skilled track drivers to push the car to the absolute limit.
Optional 19-inch wheels and tyres which are offered with the M3 are fitted as standard on the CSL, but Michelin Pilot Sport Cup tyres, with asymmetric treads developed especially for the CSL mounted on unique alloy wheels, can be specified as a no cost option.
To ensure CSL owners are comfortable with the handling of these specially designed optional tyres, dealers will explain the need for caution while they warm up and during very poor weather. Buyers will also be required to confirm that they are aware of and understand the unique performance characteristics.
Free driver training for all M3 CSL customers is also included in the price. Worth £850, this offers drivers a day at the Pro-Drive Live circuit, driving under the guidance of experienced racing drivers, learning how to get the most out of the car.
In the cockpit, the CSL follows the principles of a genuine sports car.
Options are kept to a minimum, with a focus on the functional, like contoured, glass fibre bucket seats, offering optimum side support.
Centre console and door trims are made of carbon fibre reinforced plastic and the M Sports steering wheel is clothed in Alcantara. To make best use of the reduced weight potential many features of modern cars normally considered as essential, such as air conditioning and a radio, are excluded from standard specification, but can be specified as no cost options if the customer wants them.
No cost options are 19-inch M light alloy wheels 'M3 CSL' with Michelin Pilot Sport Cup tyres, auto air conditioning, BMW Business radio / cassette, no model inscription, graduated tint front windscreen and smoker package.
Cost options are climate comfort front windscreen £190, floor mats £75, park distance control £340, rain sensor £160, Xenon headlights with headlamp wash £770, single CD player £100, mini disc player £295.
Updated: 11:39 Friday, June 27, 2003
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