When did these things get so expensive I paid £44.71 in 2019 for a pollen filter direct from BMW and now they are £72.50 how on earth have they gone up by nearly 60% in just over 3 years its just paper and a sprinkling of activated carbon.
https://www.amazon.co.uk/gp/product/B01MFD59XM/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1