Injen Perf SuperNano-Web Air Filter 3.5in ID x 5.5in Base | Universal (X-1097-BB) Side Skirts Its design ensures controlled cutting

Its design ensures controlled cutting action to safely remove surface defects while leaving behind a high-gloss finish

Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product

It is compatible with most gasoline engines requiring a 10W-60 viscosity grade

which are typically sold separately

2004 BMW 650i Coupe (E63)

Injen Perf SuperNano-Web Air Filter 3.5in ID x 5.5in Base | Universal (X-1097-BB) Side Skirts Its design ensures controlled cuttingSuperNanoWeb Air Filter by Injen Technology With a rich history in racing and the street performance, Injen Technology has proven itself as a leader in filtration engineering and technology. Lab tested and race proven, Injens air filter line features state of the art designs and performance. All SuperNano Web air filters feature a proprietary media that includes and high flow base media with a highly efficient Nano membrane applied on top. This allows