Pancake type filter from K&N which has a 1.5" centre hole. Be shure and check ther is enough clearance below to fit on HS4 or H4carbs for this Filter. The K&N air filter is made of 5-ply cotton, with about 40% more air flow over a originals airfilter of a Mini. By using a K & N filter, the performance can be increased and the fuel consumption can be reduced. The installation is done at your own risk. According to traffic regulations not allowed.
The price is for 1 Filter.
Cleaning set is 111.99-5000EV