2 pack, fits exactly right.Excellent filters, replacement for original BMW 535i series. They come with a printed pictures manual showing hot to replace them step-by-step. There are also lots of videos on YouTube. They are kinda difficult to install, but not because of the filters themselves but because of the over-engineering BMW did. You have to remove two 10mm screws and 1 torx screw holding the knee panel - which contains a Airbag (!!!!). Then the enclosure for the filters has 4 more torx screws. The filters are excellent, absolutely no difference from the OEM, factory BMW ones (other than the missing BMW logo). Mann is a very respectable Germany company.Fit perfectly to my BMW 520i 2014. It took me 30 minutes to install but this is because it is my first time doing it, next time I guess it will take less time and effort. The filter worked same as the Genuine BMW filter (made by MAHLE) I did not notice any difference. It is much cheaper than the BMW filter. I attached photos for the Mann filter and the previous filter (Genuine BMW made by MAHLE) that was installed to my car before. For installation, I did not need to unplug the battery, there is a sign at the right side of the passenger airbag when you open the door, I turned it off by the car key.Installing these filters in a BMW is a difficult operation. You should definitely disconnect the battery so that the airbag doesn't accidentally deploy because your head is right there. You've also got to twist yourself into a pretzel to get it in position. This is not the fault of the filter but simply the design of the vehicle. Good directions and I got it done. Car smells much better now and I saved a lot of money.I am not sure how the performance is on these things. Installation instructions were unnecessary, but really nice touch. Compared to mahle the frame is a little flimsier, in general the whole thing is a little too soft (maybe easier to install this way). As long as it filters properly, then should be ok. Installing is a nightmare, but that is a car design fault, not the product itself.Fits perfect! No wiggle room, and don't fall out or require to hold in place when replacing. No more musty scent when A/C is on. Likely need A/C system cleaned to truly fix, but these replaced factory original filters, so they were due for replacement anyway. More expensive than some other 'similar' filters on Amazon, but there were complaints those did not fit precisely. These are still much better pricing then going direct through BMW.The cabin air filter is a simple maintenance item that often gets looked over. This carbon filter works great. The musty smell that was coming through the vents is gone now. Yay!!!!Excellent fit and product. 2015 750liFit perfectly but it can be fidgety to install yourself.Der Filter wurde in einen 5er-BMW eingebaut (Austausch in Eigenleistung). Die beigefügte, reich bebilderte Anleitung (Fotos) war ausreichend, dennoch war die Arbeit etwas "fummelig".Die Preisdifferenz zum BMW-Ersatzteil beträgt ca. 40% (zum BMW-Listenpreis). Bei Autoersatzteilen sollte man ja vorsichtig sein, da sich auf dem Markt eine Menge Fälschungen befinden können. Ich hoffe ja, dass in der Packung auch ein "Mann-Filter" war. Als Laie kann ich das nicht beurteilen ...Die Filter sind, wie beschrieben, passend für mein Fahrzeug. Alles gut! ??Auto: bmw 520d xdrive motore b47Filtro molto ben fatto, identico all’originale se non per la marca che era mahle.Nessun problema di montaggio.Ottimo acquistoInnraumfilter passt im BMW F11 perfekt. Der Ausbau bzw. die Vorarbeiten sind etwas verzwickt, aber wenn alles offen ist - kein Problem mehr.Zur Info für alle suchenden: Der Innenraumfilter befindet sich im PKW unter bzw. hinter dem Handschuhfach.