![K&N® 57-0348 - 57i Series Generation I Flex and Rubber Hose Black Cold Air Intake System with Red Filter and Intake Pipe K&N® 57-0348 - 57i Series Generation I Flex and Rubber Hose Black Cold Air Intake System with Red Filter and Intake Pipe](https://ic.carid.com/kn/items/57-0348_0.jpg)
K&N® 57-0348 - 57i Series Generation I Flex and Rubber Hose Black Cold Air Intake System with Red Filter and Intake Pipe
![K&N 57-0680 - 57i Series Generation I Flex Hose Black Cold Air Intake System with Red Filter and Intake Pipe | PTUNING.COM - Performance Auto Parts Warehouse, Installation, and Dyno Tuning K&N 57-0680 - 57i Series Generation I Flex Hose Black Cold Air Intake System with Red Filter and Intake Pipe | PTUNING.COM - Performance Auto Parts Warehouse, Installation, and Dyno Tuning](https://www.ptuning.com/images/thumbs/002/0021008_kandn-57i-series-generation-i-flex-hose-black-cold-air-intake-system-with-red-filter-and-intake-pipe_550.jpeg)
K&N 57-0680 - 57i Series Generation I Flex Hose Black Cold Air Intake System with Red Filter and Intake Pipe | PTUNING.COM - Performance Auto Parts Warehouse, Installation, and Dyno Tuning
![Amazon.com: K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 50-State Legal: Fits 1991-2000 BMW (323Ti, 323i, 325i, 328i)57I-1001 : Automotive Amazon.com: K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 50-State Legal: Fits 1991-2000 BMW (323Ti, 323i, 325i, 328i)57I-1001 : Automotive](https://m.media-amazon.com/images/I/51OsakflHqL.jpg)