BMW E90 E91 E92 E93 325i K&N Drop-In Air Filter

Direct-fit K&N panel filter for BMW E90, E91, E92 and E93 325i (2011-2013). No trimming, no remap, no drama - just drop it into the factory airbox.

• High-flow cotton gauze sharpens throttle response and eases airflow without sacrificing filtration
• Washable and reusable for up to 50,000 miles - less faff, fewer replacements
• Engine protection meets or exceeds OEM standards - no compromise on reliability
• Backed by K&N’s Million Mile Limited Warranty