K&N 33-2059 Air Filter for 1986-1996 BMW 3/5/7/8 Series & Z1 E28-E36

Vehicle Fitment

• BMW 3 Series (E30/E36): 316i, 318i, 318iC, 318iS, 318iS, 320i, 325, 325Ci, 325e, 325i, 325iS, 325iX
• BMW 5 Series (E28/E34): 518i, 520i, 525e, 525i, 528e/528E
• BMW 7 Series (E32): 750i, 750iL
• BMW 8 Series (E31): 850i, 850Ci, 850CSi
• BMW Z1
• Overall confirmed year range: 1986-1996

Fitment Notes

• This filter spans multiple BMW chassis codes (E28, E30, E31, E32, E34, E36) and engine families (M20, M42, M50, M70, M73, S70) - confirm your specific chassis code, engine, and model year before ordering, as not every listed model uses the same engine

Features

• Layered, oiled cotton gauze media engineered to improve airflow and capture contaminants
• 4 layers of premium cotton gauze treated with a tacking agent to trap contaminants
• Washable and reusable - designed to last the life of the vehicle
• Only needs cleaning approximately every 75,000 miles under normal highway driving conditions
• Pre-oiled and ready to drop directly into the factory air box
• Reduces landfill waste compared to disposable paper filters
• Backed by K&N's No-Hassle Lifetime Limited Warranty

Specifications

• Filter Material: Cotton Gauze
• Construction: Cotton gauze between aluminum wire mesh
• Washable: Yes
• Engine Compatibility: M20 (2.5L/2.7L), M42 (1.8L), M50 (2.5L), M70 (5.0L), M73 (5.4L), S70 (5.6L)

Included Components

• 1x K&N 33-2059 Panel Air Filter

Product Description

The K&N 33-2059 is a washable, reusable panel air filter built as a direct drop-in replacement across a wide span of BMW chassis, from the E28 5 Series through the E36 3 Series, including the E31 8 Series and the limited-production Z1. Constructed from cotton gauze between aluminum wire mesh, it's engineered to improve airflow while maintaining strong engine protection.

As a reusable filter, the 33-2059 is designed to last the life of the vehicle rather than requiring periodic replacement, needing only occasional cleaning roughly every 75,000 miles under normal highway driving. It's backed by K&N's No-Hassle Lifetime Limited Warranty, offering long-term value compared to repeated OE filter purchases.

Because this single part number covers six-cylinder, four-cylinder, and V12 engine variants across nearly a decade of BMW production, owners should confirm their specific chassis code (E28, E30, E31, E32, E34, or E36), engine family, and model year before ordering to ensure proper fitment.