DIY changing your pollen micro filter... - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
K&N Luftfilter BMW 1er (E81/E82/E87/E88) 120d E-2653, 74,80 €
Anleitung: BMW 1 Cabrio (E88) Luftfilter wechseln - Anleitung und Video Tutorial
How to replace the air filter BMW 120d E87 💨 - YouTube