Purchase is for a set of Headlights
These will work for E3 - Bavaria or E9 As well as E12 and E21
No housings are included as there are ment to replace the ones you currently have
These are the Euro Hella units (flat faced) Much cleaner look and will accept a headlight bulb as apposed to a sealed beam like the old units
One purchase is 2 low beam and 2 high beam
Please look over the pictures before purchase to make sure you like what you are buying