[Tomadam]

What bulb is side light on halogen F34? That means DRL?

[Billfitz]

The side light is the light you can see from the side of the car. It's also the turn signal.

[Tomadam]

Originally Posted by Billfitz

The side light is the light you can see from the side of the car. It's also the turn signal.

No such side light on EU models. My car doesn’t have any light on the sides. Just on the front and the rear. And the LED strip in the rearview mirror housing.

[Billfitz]

My car doesn't have any light on the sides either. US F34 front turn signals are always on when the head lights are on, only blinking when signalling a turn. Since they're visible from the side they're sometimes called side lights. Having them set up this way is called US Sidemarkers in Bimmercode. There are regions where they're not on with the headlights.

We can't know that you're in Europe when you put your location as LA. In the US LA may mean Los Angeles, it may mean Louisiana.

[3-GT]

Looks like item 5.

https://www.realoem.com/bmw/enUS/sho...diagId=63_1350

[Billfitz]

That's the DRL bulb. #4 is the sidelight/turn signal bulb.