About this part
What it does. Denso Air Filter Denso 735-143-3681 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 2019 BMW 640i Xdrive Gran Coupe, 2018–2019 BMW 640i Gran Coupe, 2018 BMW X5, 2018 BMW 640i Xdrive, 2018 BMW 640i. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.