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About this part
What it does. Parts Plus Air Filter Parts Plus 640-NSA 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 2018–2021 BMW I3, 2018–2019 BMW I3s. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.