Do these come with bulbs?

No — you'll need to source H1 and H7 bulbs separately. Most E90 owners source these locally since they're common items and easy to swap once the housing is in.

Will these need adjustment after install?

You may want to aim the projector lenses after mounting to match your original headlight pattern. Basic vertical and lateral adjustment is possible at the mounting bracket — refer to your vehicle's service manual for precise aiming specs.

Do I need to remove the bumper to install these?

Yes — bumper removal is required to access and unclip the factory headlight assemblies. Once off, these bolt in using the same factory points, so no additional drilling or custom brackets are needed.