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BMW ABS Pro Announced; Retrofits to the HP4

January 29, 2014 (Press release edited by – BMW introduced the S 1000 RR in 2009 as its first supersports bike and also the first motorcycle of this type to be fitted with ABS. That same year saw the first racing victory by a supersports motorcycle with ABS at the 24-hour race in Barcelona.

Since the introduction of the BMW Race ABS in 2009, BMW has offered an ABS tailored specifically to the needs of supersports bikes, providing a significant increase in active braking safety in this segment. The new ABS Pro system represents a consistent refinement of the original Race ABS.

ABS Pro enables ABS-supported braking when cornering. ABS Pro can also be retrofitted by BMW Motorrad dealerships, although it is initially reserved exclusively for the top supersports model in the BMW Motorrad product range, the HP4. No details on the system were made available, but it’s probably similar to the “lean sensitive ABS” braking system introduced on the KTM 1190 Adventure (report).

BMW ABS Pro Indicator

ABS Pro is designed for use on public roads, where unexpected dangers can always potentially lie in waiting. While the Race ABS in the HP4 already provides a very high degree of safety when braking in a straight line, ABS Pro now goes a step further to offer increased safety when braking during cornering as well.

In the corners, ABS Pro prevents the wheels from locking even when the brakes are applied quickly; this reduces abrupt changes in steering force on shock-braking maneuvers and stops the motorcycle from unintentional straightening.

Technically speaking, ABS Pro adapts ABS control to the motorcycle’s banking angle depending on the current situation on the road. In order to determine the bike’s banking angle, the system draws on the signals for roll rate, yaw rate and transverse acceleration as provided by the sensor cluster, which are already used for Dynamic Traction Control DTC and for the electronic suspension DDC Dynamic Damping Control.

As the banking angle increases, the brake pressure gradient is limited more and more at the start of the brake maneuver. This means that the pressure build-up is slower. In addition to this, pressure modulation within the ABS control range is more even. The benefits of ABS Pro to the rider are a sensitive response and a high level of brake and ride stability together with the best possible deceleration in the corners.

The influence exerted by ABS control will depend on the riding mode configured. ABS Pro is available to its full extent in the “Rain” and “Sport” modes. During the pre-ride check, “ABS Pro” is displayed in the instrument panel in conjunction with the modes “Rain” and “Sport”, which indicates to the rider that the ABS Pro function is available.

By contrast, the “Race” and “Slick” modes for very sporty, experienced riders do not support the ABS Pro function since it is deliberately designed to be used on roads.

BMW ABS Pro on HP4

Although ABS Pro provides valuable support and is an enormous safety bonus for the rider when braking in corners, it can in no way redefine physical limits. It is still possible to exceed these limits due to misjudgment or riding errors, which in extreme cases can result in a fall.

ABS Pro was not developed to enhance individual braking performance when braking in corners, especially not on race tracks. Its purpose is to enable safer use of the HP4 within physical limits on public roads, for example in the event of unexpected dangers arising on curvy roads.

At the same time, the ABS Pro function can also be used in the “Rain” and “Sport” modes by less experienced riders to achieve significantly increased safety when undertaking their first rides on a race track.

The ABS Pro function will be available as a retrofit solution for the BMW HP4 starting at the end of October 2014 at the price of €380.00 (Germany).

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