About this part
What it does. K And N Replacement Air Filter K&N 400-33-3180 keeps dust and debris out of the intake so the engine draws clean air.
Symptoms that point to this part
- Reduced fuel economy
- Sluggish acceleration
- Visibly dirty or clogged filter element
Service note. Typically inspected at every service and replaced roughly annually.
Fitment. Catalogued as fitting 2026 BMW 228 Gran Coupe, 2023–2025 BMW X1, 2024 BMW X2. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.