BMW 340i Light Bulb Size Chart

The BMW 340i uses 5 light bulb size options: H7, H21W, H8, 12961, and 3357NA. A replacement chart covers 2016 to 2018 model years across 10 lighting locations. Each location entry specifies applicable model years and corresponding bulb size.

Select a light bulb location for BMW 340i to view detailed replacement information.