1999 BMW 523i 2.5L L6 Cold Air Intake

Cold Air Intake for 1999 BMW 523i 2.5L L6
  • Designed to bring in cooler air with less restriction for more power
  • Guaranteed power gain
  • Outstanding engine protection
  • Easy installation
  • Oversized high-flow reusable air filter
  • Million Mile Limited Warranty
  • Power gaining products since 1969
K&N 1999 BMW 523i cold air intake kits increase horsepower and acceleration by dramatically reducing air flow restriction caused by the original factory design. K&N performance BMW 523i cold air systems are usually installed in 90 minutes or less.

Your 1999 BMW 523i deserves the best cold air intake available!

1999 BMW 523i 2.5L L6 - All Models
Love this performance kit, added horse power and has a great sound.
Anthony Potts , Herndon, Virginia
Performance Intake Kit
K&N 57-0439
  • Replacement High-Flow Air Intake Tubing
  • Open Air Performance Air Filter
  • Not legal for sale or use in California
List Price: $266.99
Your Price: USD $146.99
In stock