Premium Guard PA99603 Engine Air Filter

Brand Premium Guard PA99603
Length 10.58
Reusable No
Filter Media Material Cellulose
Width 8.37
Height 2.36
Height 60
Shape Round
Grade Type Regular
Marine Approved No
Fits BMW · 12 vehicles

Cellulose media. Provides standard engine air filtration for routine replacement service.

Round design. Matches the listed application dimensions and filter shape.

Regular grade. A straightforward replacement filter for everyday maintenance.

$26.97Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
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Step 2 — Quantity
Order total $26.97
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Air Filter Overview

Premium Guard PA99603 is an engine air filter built for BMW X3 and BMW X4 applications listed below. It uses cellulose filter media in a round, regular-grade design to support routine intake air filtration for the engine.

Key Features

  • Cellulose filter media for standard engine air filtration
  • Round shape with compact dimensions for the specified applications
  • Regular grade construction for everyday replacement service
  • Non-reusable design for standard maintenance intervals
  • Premium Guard PA99603 for BMW X3 and BMW X4 fitment

Detailed Description

This Premium Guard engine air filter is identified by part number PA99603 and is listed for 2020-2025 BMW X3 and BMW X4 applications, including M40i submodel coverage where noted. The cellulose media provides a conventional filtration solution for replacing a dirty or restricted air filter in the intake system. For buyers searching for a BMW X3 engine air filter or BMW X4 engine air filter, PA99603 offers a direct replacement option matched to the fitment data provided.

The filter measures 10.58 inches long, 8.37 inches wide, and 2.36 inches high, with a round shape and regular grade type. Premium Guard PA99603 is a practical choice for routine service when the goal is to restore normal airflow through the intake path without changing the original filter style.

What It Is Used For

  • Replacing a clogged engine air filter
  • Restoring normal intake airflow
  • Addressing reduced filtration from worn filter media
  • Supporting scheduled air filter maintenance

Installation Notes and Tips

Verify the vehicle year, model, and submodel against the fitment list before ordering. Confirm the existing filter shape and dimensions match PA99603, especially on BMW X3 and BMW X4 applications with M40i notes. Inspect the airbox for debris before installing the new filter and replace the filter at normal service intervals based on driving conditions.

Quality Assurance

Premium Guard PA99603 is a standard replacement engine air filter built with cellulose media and application-specific fitment data for the listed BMW models. Part number PA99603 should be matched to the vehicle configuration shown in the fitment table for proper selection.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersNotes
2025BMWX4—3.0LL6—
2024BMWX3—3.0LL6—
2024BMWX4—3.0LL6—
2023BMWX3—3.0LL6—
2023BMWX4—3.0LL6—
2022BMWX3—2.0LL4—
2022BMWX3—3.0LL6—
2022BMWX4—3.0LL6—
2021BMWX3—3.0LL6—
2021BMWX4M40i3.0LL6Submodel M40i
2020BMWX3M40i3.0LL6Submodel M40i
2020BMWX4M40i3.0LL6Submodel M40i