Kelleners Sport KS1-S based on the Bmw 1-Series M Coupe

Article by Christian A., on July 11, 2011

With the introduction of the BMW 1-Series M Coupé (Type E82), Kelleners Sport have taken the combination of lightweight body and high-performance engine to a power of up to 410 hp, improved aerodynamics, high-grade interior and unique handling characteristics -- the distinguishing characteristics of the KS1-S.

The six-cylinder engine with twin-turbochargers enhances the output of the KS Power SW 35M by 20 percent. The KS1-S produces a maximum 410 hp (301 kW), instead of the 340 hp (250 kW) standard, while maximum torque increases from 450 to 550 Nm. The result is a drop in weight-to-power ratio to 3.8 kg per hp from 4.4.

With four 83 mm tail pipes, the stainless-steel system is optimized for unrestricted flow. This distinguishes the vehicle from the series model with a significantly more exciting exhaust sound.

The Kelleners Sport’s aerodynamic components are designed to ensure maximum down-force at high speeds and to reduce wind resistance. The three-part MS electro polished stainless steel grill insert and the MS front spoiler lip highlight the vehicle’s aerodynamic qualities, creating a supplementary visual impact.

Naturally, the BMW air curtains are not affected by this. The curtains enhance the aerodynamics by channeling the air stream around the front wheels. Visually, the improved agility is decorated with strips on the bonnet, side sills and roof. The adjustable coil-over suspension system has been developed based on racing experience.

It is also tuned with eponym and racing driver Ralf Kelleners. This means that Kelleners Sport gives drivers a massive array of options when it comes to setting the vehicle up to suit their needs. Other than the continuously variable height adjustment, the suspension is also independently adjustable in terms of both compression and rebound, which means that the KS1-S can be adjusted exactly to take account of the tires, the track and the preferences of the driver.

It recently turned out that the 1-Series M Coupé would be a one-year car, which production would end in December 2011 at the latest. In an interview with TheDetroitBureau.com, Matt Russell, the M brand manager in the US, remarked that the 1-Series M Coupé will have a limited run for many reasons.

Drawing an instant response from the its twin-turbocharged, all-aluminium, 3 liter inline-6 engine, the M Coupe sounds fantastic and still maintains its free-revving nature. Combining twin low-mass turbochargers and BMW's High Precision direct injection provides an output you would expect to feel with more cylinders and larger displacement from a naturally-aspirated engine.

The engine in the new 1-Series M Coupe can deliver 335 hp (250kW) of output at 5,900 rpm as well as 332 lb-ft (450 Nm) of nominal peak torque from 1,500 to 4,500 rpm. The M car can go from nil to 60mph in just 4.7 seconds (0-100 kmh in 4.9 seconds) and has an electronically limited top speed of 155 mph (250 km/h).

Press Release

Compact high-performance sports car: The Kelleners Sport KS1-S based on the BMW 1-Series M Coupé

  • Kelleners Sport the first tuner to offer a complete conversion
  • Output up to 410 hp
  • Adjustable coilover kit tuned by Ralf Kelleners ensures optimum handling - on road and track
  • Supplementary front spoiler lip for optimum down force at high speeds - threepiece grill insert reinforces visual impact
  • 20-inch light-alloy 'Berlin' or 'Hamburg' wheels
  • Exclusive interior concept with luxurious leather trim

The M in the name promises much. Kelleners Sport guarantees even more. Now, with the BMW 1-Series M Coupé (Type E82), the German BMW specialists have taken the combination of high-performance engine and lightweight body to its logical automotive conclusion - power up to 410 hp, unique handling characteristics, improved aerodynamics and the high-grade interior are the distinguishing features of the KS1-S.

The high-revving inline six-cylinder engine with twin-turbochargers boosts the output of the KS Power SW 35M by a good 20 percent. Instead of the standard 340 hp (250 kW), the KS1-S produces max. 410 hp (301 kW) while max torque jumps from 450 to 550 Nm. The result is a decline in weight to power ratio from 4.4 to 3.8 kg per hp. And emphasising all this power are special Kelleners Sport rear silencers. With four 83 mm tail pipes, the stainless-steel system is optimised for unrestricted flow and distinguishes the car from the series model with a significantly more exciting exhaust sound.

The aerodynamic components of Kelleners Sport are designed to minimise wind resistance and ensure maximum down-force at high speeds. The MS front spoiler lip and the three-part MS grill insert made of electro polished stainless steel underscore the aerodynamic qualities of the car and create a supplementary visual impact. Naturally, this does not affect the BMW air curtains, which improve the aerodynamics by channelling the air stream around the front wheels. Visually, the improved agility is accentuated by decorative strips on the bonnet, roof and side sills.

The adjustable coil-over suspension system has been developed on the basis of racing experience and tuned in cooperation with eponym and racing driver Ralf Kelleners. Thus, Kelleners Sport gives the ambitious driver a wide range of options for setting the car up to suit his or her individual needs.

Besides the continuously variable height adjustment, the suspension can also be adjusted independently in terms of both rebound and compression. In other words, the KS1-S can be set-up exactly to take account of the track, the tyres and the driver's preferences.

The Kelleners Sport light-alloy wheels also contribute to the sporting characteristics and image. The extremely light, one-piece wheels reduce the unsprung weight and thus ensure dynamic handling. At the front, the 9x20-inch wheels are fitted with 245/30 high-performance tyres while the rear axle comes with 10x20-inch wheels and 265/30 tyres. With their 15 elegant spokes, the 'Hamburg' wheels are available in the following finishes: polished graphite-silver, polished platinum-silver and matt black. The 'Berlin' wheel with slender double spokes is available in platinum silver polished, matt black polished and matt black.

The work of the Kelleners Sport saddlery department, the high-grade interior concept gives the KS1-S the exclusive ambience of a luxury sports car. Top-quality perforated leather and velvety Alcantara in black and white fully cover the front and rear seats, the dashboard and the door panels. The white contrast stitching and the Kelleners Sport logo embroidered onto the head rests set elegant accents and underscore the car's exclusive flair. The sports steering wheel is fitted with Alcantara applications. Additionally, the gear lever and hand brake boots are made of Alcantara. Rounding off the interior upgrade are high-gloss white interior trim and familiar accessories, such as aluminium pedals and a set of four foot mats made of high-grade velour with the Kelleners Sport logo.

The customised BMW 1-Series M Coupé is unequivocal evidence of the experience and expertise offered by Kelleners Sport. All work is based on a comprehensive concept for performance and handling, as well as interior and exterior style, and transforms an exclusive car into a unique and individual automobile - the Kelleners Sport KS1-S.

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