BMW 340i Headlight Bulb Sizes

Select your BMW 340i model year to view exact low beam, high beam, and fog light bulb sizes.

2018
BMW 340i
Low: H7 | High: H7
2017
BMW 340i
Low: D1S HID / H7 | High: H7
2016
BMW 340i
Low: D1S HID / H7 | High: H7