BMC FB447/01 KIT AIR FILTER BMW M5 / M6 ymm_40 but also has the option

but also has the option of a lower sound level when the valves are closed

Improves head gasket sealing performance

For extra visual impact

560˝ Thread Length 0

which provides better resistance to wear and metal fatigue than conventional threading before heat treatment

BMC FB447/01 KIT AIR FILTER BMW M5 / M6 ymm_40 but also has the optionDescription BMC FB447 01 KIT AIR FILTER BMW M5 M6 The BMC air filter features a metallic mesh with an oiled multilayer cotton filtration material. This design ensures a high level of filtering efficiency while minimizing air pressure loss. The oil provides the material with an adhesive property, helping to retain air impurities without restricting airflow, resulting in a continuous filtering process. The cotton filtrating element is housed in an