K&N Oil Filters for the BMW 523i
BMW 523i Replacement Oil Filters
Buy now from K&N's Online Store and get a 100% money back guarantee on any oil filter!
- Outstanding Oil Filtration for BMW 523i Models
- High Oil Flow Rate
- Heavy Duty Construction
- Great with Synthetic or Conventional Oil
- Traps 99% of harmful contaminants
Buy a K&N oil filter. Help your BMW 523i run better.
Upgrade your BMW 523i today with a K&N automotive oil filter