BMC Air Filter FM01117RACE_BMC_AIR. BMC racing filter Besides the standard filter version, BMC has developed another filter option. This is the “Race” filter, i. A filter that is the same shape as the standard filter, but the filter material has been constructed in such a way that an increased air passage is given compared to other filter systems, but of course still retains the filter effect. The BMC “Race” filter was designed for those who are not satisfied with the normal performance of the motorcycle, but modify the engine and the ECU to achieve more power afterwards. The “Race” filter can be recognized by a yellow stripe. 1x BMC Air Filter. Product Type: Air Filter. You can send us a message by using the “Questions and answers” section towards the bottom of the page.