on the right under where you turn headlights on,
Headlights for a BMW E39 can be purchased at various website which include but are not limited to Amazon and eBay. Car-Tuning stores also sell headlights for BMW.
When the headlights don't turn off when you turn off the car, the issue is probably a stuck relay. If you disconnect the battery for a few minutes they will go out. This is just a temporary fix until you can get it to a mechanic.
umm take it to a dealer and get the code read, no brainer.
will the metal headlight assembly of a 1991 bmw fit a 1988 325is
They are 1,160.00 from the dealer. If they are the ones that move when you turn the steering wheel then your screwed with that price. They have a onboard computer that makes them that expensive.
The LED front headlights in the BMW illuminates the road perfectly and enhance vision especially at night.
your on off switch may be bad, get it checked.
How to install headlights to a BMW 528i?
Autopartswarehouse.com is a good website to purchase bmw parts and parts from any other car you may need. Also try eeuroparts.com/BMW if you are lookign for just bmw parts.