BMW Introduces the New R 1200 GS
With over 170,000 units sold, the GS remains the top-selling travel enduro in the world. Now in its ninth year of production, the current BMW R 1200 GS presented a challenge to the BMW Motorrad development department: how could they further optimise the GS and improve it in all areas and equip it with innovative technical solutions to ensure it is in good shape for the future?
The development goals of the new BMW R 1200 GS:
• Further increase performance overall.
• Improve its touring suitability.
• Increase off-road suitability.
• Achieve superior figures in terms of engine and riding performance.
• Ensure preparation for the future in terms of noise and exhaust emissions.
• Suspension with better handling, optimum traction and increased off-road performance.
• Increase active and passive safety.
• Unmistakable BMW Motorrad design in typical GS style.
Newly designed air/water-cooled boxer engine with vertical through-flow, integrated gearbox and left-hand cardan shaft drive
Geared towards the above goals, the entire R 1200 GS was completely redefined, particularly the drive concept.
The performance aspired to, as well as adherence to future anticipated requirements in terms of noise and exhaust emissions, is ensured among other things by a change in the cooling system. The boxer engine in the new R 1200 GS continues to use air/liquid cooling, however, the coolant oil has been replaced by a glycol-water mixture. This gives a better level of heat absorption capacity of the cooling liquid for more efficient heat dissipation.
So-called precision cooling (a principle similar to that used in Formula 1) involves only those engine elements being cooled with coolant, which are particularly exposed to thermal stress. The engine still continues to use air cooling, thereby preserving the characteristic appearance of the opposed twin boxer engine. The two radiators are small and inconspicuously integrated.
The through-flow is now vertical instead of horizontal for improved filling, and the engine housing integrates the 6-speed gearbox as well as a wet clutch with anti-hopping function instead of the dry clutch as was used previously. What is more, the secondary drive now runs via the cardan shaft on the left-hand side. The new engine has an output of 92 kW (125bhp) at 7700 rpm and 125 Nm at 6500 rpm.
The empty weight (ready for the road) according to DIN of the R 1200 GS is 238 kg including standard BMW Motorrad Integral ABS.
E-gas and cruise control
An electromotive throttle actuator is now used for the first time in a GS motorcycle. Here, rider commands are passed on directly by the sensor in the accelerator twist grip to the engine control system; this then regulates the throttle valve electronically. The use of the E-gas system provides an improvement in terms of controllability and response. Further, the rider can adapt engine characteristics to the situation on the road by means of five modes (optional extra). It was also possible to include an electronic cruise control function (optional extra).
ASC and riding modes as an optional extra: five selectable modes – “Rain”, “Road”, “Dynamic”, “Enduro” and “Enduro Pro”
For varied adaptation to a rider’s individual needs and purpose, the new R 1200 GS offers five selectable riding modes for the first time: these are an ex works option and feature three different E-gas settings and with varying engine characteristics. Linked to this is Automatic Stability Control ASC with a special enduro configuration. If this option is chosen, BMW Motorrad ABS, ASC and – if installed – the semiactive suspension are all adapted to the respective profiles of these five modes.
Semiactive suspension: BMW Motorrad Dynamic ESA
The new semiactive suspension BMW Motorrad Dynamic ESA (Electronic Suspension Adjustment) taps into a new range of possibilities. Dynamic ESA monitors the vertical movement of front and rear wheel control as well as other parameters by means of a spring travel sensor in each position, and adapts the damping automatically to the situation depending on riding conditions and the manoeuvres being carried out. Damping adjustment at front and rear is effected by means of electrically controlled regulation valves.
New chassis with tubular steel bridge frame and specially adapted wheel/tyre dimensions of 120/70 R19 at front and 170/60 R17 at rear as a world first
The chassis of the R 1200 GS uses a newly developed tubular all-steel bridge frame with a bolt-on rear frame. Along with the newly designed Telelever at the front and the EVO Paralever at the rear, this has resulted in an increase in torsional stiffness. A longer swingarm provides further improved traction – especially when riding over rough terrain.
A globally unique feature of the new R 1200 GS are the tyres in the sizes 120/70 R19 at the front and 170/60 R17 at the rear, specially adapted to improve performance.
Revised brake system with radially mounted Brembo Monobloc brake calipers and BMW Motorrad Integral ABS as standard
The brake system of the R 1200 GS has been revised, too. There are now radially mounted Brembo Monobloc brake calipers at the front and a larger brake disc at the rear.
In line with the BMW Motorrad principle “Safety 360°” the new GS is also fitted as standard with the BMW Motorrad ABS, here in the part integral version.
The first motorcycle in the world with LED main headlight including integrated daytime running light
In order to be seen even better during the day, BMW Motorrad also offers a daytime running light as an ex works option. For improved road illumination and therefore greater safety both day and night, an LED main headlight with integrated daytime running light is fitted in a motorcycle for the first time ever. It comprises innovative LED technology with an advanced cooling and decondensation concept.
Electrical system with new vehicle power supply and Multi-Controller for the BMW Motorrad Navigator IV
The new R 1200 GS has the new vehicle power system with altered function partitioning as already used in the 6-cylinder models K 1600 GT and GTL. As before, CAN bus (Controller Area Network) and LIN bus technology (Local Interconnect Network) enables reduced wiring as compared to a conventional system. The previous central vehicle electronics has been partitioned into two separate control units.
The Multi-Controller, newly available for the GS, allows more fluid operation of the BMW Motorrad Navigator IV. It is located on the inside of the handlebar grip. This means that selecting functions is much less distracting than pressing buttons and does not require hands to be removed from the handlebars.
Aerodynamically optimised windshield with one-hand operation
The newly developed windshield of the R 1200 GS offers further improved wind and weather protection while also reducing wind noise. Adjustment is straightforward: an easily accessible and ergonomically designed selection wheel is operated using one hand.
Seating Ergonomics
The new R 1200 GS has adjustment options for seating comfort. The rider’s seat can now be adjusted in height and tilt angle and the passenger seat can be shifted longitudinally to obtain the ideal distance between rider and passenger. The new handlebars can be turned upwards and, together with the optimised knee grip in the fuel tank area, they ensure a better standing position for off-road riding. The improved knee grip can be clearly felt when seated, too. A high and a low seat, as well as an adjustable footrest system and adjustable foot controls, round off the program of special accessories offering individual adjustment facilities.
An overview of the new BMW R 1200 GS
• Completely new engine design.
• Capacity 1170 cc, rated output 92 kW (125bhp) at 7700 rpm and a maximum torque of 125 Nm at 6500 rpm.
• Cylinder heads with vertical through-flow for increased efficiency and performance.
• Compact air/water cooling for improved heat management.
• Basic engine with rigidity-optimised crankshaft.
• Vertically separated case in open deck construction.
• 6-speed gearbox integrated in engine housing, including wet clutch with anti-hopping function and reduced lever operation force.
• New intake system for better output and torque with 52 mm throttle valve diameter.
• E-gas for improved ridability and special functions.
• Exhaust gas system with electronically controlled exhaust flap.
• Freely selectable riding modes with three different electromotive throttle actuator settings.
• New suspension with torsionally stiff tubular steel bridge frame and bolt-on rear frame.
• Lightweight cardan shaft drive now running on the left-hand side.
• Newly developed Telelever at front and EVO Paralever at rear.
• Refined master chassis geometry data and long swingarm.
• Ergonomically improved seating width and position, and adjustable handlebars.
• Tyre/wheel dimensions of 120/70 R19 at front and 170/60 R17 at rear as a world first, tailored specially to the R 1200 GS.
• Revised BMW Motorrad brake system with radially mounted Brembo Monobloc brake calipers at front and 2-piston floating caliper with enlarged brake disc at rear (Ø 276mm, previously 265mm).
• BMW Motorrad Integral ABS as standard.
• Semiactive suspension Dynamic ESA (ex works option).
• World’s first motorcycle with LED main headlight featuring integrated daytime running light (ex works option).
• New vehicle electrical system with partitioning of functions.
• Extended electric switch units.
• Electronic cruise control (ex works option).
• Windshield with one-hand operation for wind and weather protection.
• Number plate carriers quick to dismount for off-road riding.
• Increased ground clearance (+ 8 mm)
• New instrument cluster with on-board computer as standard. PRO on-board computer as an option.
Source: BMW Motorrad
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