BMC / Air Filter   The BMC Air Filter is washable; we advise you to clean it every 25,000 kilometers to mantain the performance and to ensure that your BMC Air Filter continues to offer exceptional performance.  The following cleaning products are available from BMC, developed to enhance the ongoing performance of your filter. CODE NOTE WA 250-500 Complete Kit: REGENERATION FLUID 250 ml CLEANER 500 ml WA OIL-200 REGENERATION FLUID 250 ml (SPRAY) WA DET-500 CLEANER 500 ml WA 200-500 Complete Kit: CLEANER 500ml REGENERATION FLUID (SPRAY) 200ml WA OIL-250 REGENERATION FLUID 250ml