Genuine BMW Optical Conductor Left Front Door Top – F30 F31 Hybrid 63319239409

Genuine BMW part right here.

This is the optical conductor for the front left door top on certain BMW 3 Series models.

Fits F30, F31, F35, F80, and some hybrids.

If you've got a 316d, 320i, 328i, 330e, M3, or similar with the fiber optic audio system, this is the part you need.

OEM number 63319239409.

It's the little fiber optic cable that carries the signal to the door speaker.

90-day warranty included.

If your door speakers aren't working or you've got a fault code, this might be the fix.