1981 BMW 635CSi 3.5L L6 Air Filter

1981 BMW 635CSi 3.5L L6 Air Filter
  • Designed to increase horsepower & torque for the 1981 BMW 635CSi with the 3.5L engine.
  • Washable & Reusable
  • This K&N 635CSi air filter lasts the lifetime of your vehicle.
  • Million Mile Limited Warranty with use on Street Vehicles
K&N air filters for 1981 BMW 635CSi models are easy to install because they simply drop into the factory air box. A K&N BMW performance filter should be your first performance accessory!

Your 1981 BMW 635CSi deserves a K&N! Select the Product Info button below to see everything the air filter fits.

1981 BMW 635CSi 3.5L L6 - All Models
Replacement Air Filter
K&N 33-2005
  • Designed to Increase Power
  • Million Mile Limited Warranty
List Price: $105.35
Your Price: USD $67.99
In stock