If all else fails try ringing K&N themselves - 01925 636950.
Could work out cheaper to get a cleaning kit and clean the filter yourself then re-oil it properly, it's not difficult if you follow the instructions - I've done it a few times and not had any problems
Could work out cheaper to get a cleaning kit and clean the filter yourself then re-oil it properly, it's not difficult if you follow the instructions - I've done it a few times and not had any problems