| elson1975 Apr 2nd, 2012, 06:37 PM can anyone please help me with my JCW air filter. I have spoken to Mini and they say it should have a cylinder filter fitted inside the square filter housing?? its obviously some kind of special filter for the jcw tuned engine. Is this right? its also expensive with having to have new gasket to seal to halves together costing another 20 quid! and 50 for the filter. should i just go for a K&N panel filter i have seen on ebay?? please help:confused: Caveman Apr 3rd, 2012, 05:30 PM Early JCW Engine Tuning Kits did not include an airbox, so you need to verify whether your car has one which looks like the following ... http://www.mini2.com/galleries/data/783/thumbs/45457.jpg (http://www.mini2.com/galleries/data/783/45457.jpg) If it does you need a cylindrical replacement filter. The OEM filter is paper, so you're better off replacing it with an aftermarket filter like the following ... ITG PRO-FILTERS - R52/R53 MINI Cooper S (JCW) (http://www.camskill.co.uk/m35b0s3437p28381/_ITG_PRO-FILTERS_-_BMW_-_R52_53_MINI_Cooper_S_%28JCW%29_) You don't necessarily need the gasket set ... RealOEM - R53 Cooper S John Cooper Works Air Filter System (http://www.realoem.com/bmw/showparts.do?model=RE32&mospid=48020&btnr=13_1143&hg=13&fg=95&hl=1) | ||