Simple OE Angel Eye Replacement help

[Russianblue]

So yeah, I believe I have proven my technical prowess by changing an M54 headgasket but as a long time Stockholm syndrome BMW glutton, I may have run up against my biggest challenge yet.

After receiving the SIDE LIGHTS error on my display, I purchased OEM BMW replacements solely to make the error go away. Not trying to do anything with LEDs or upgrades of any kind. Just want factory fresh bulbs.

BUT I CANNOT GET THEM INSTALLED!!

It's maddening. I can't even get the old ones back in! Shameful, I know.

Is there some sort of trick to this? The tabs are keyed on the light socket and it looks exceptionally straightforward to just push in and twist, but it's simply not working. The bulb tabs seem like they should pretty much press into the opening but they just won't.

Just wondering if anyone knew some tricks of the trade here. I am pretty decent at this stuff but sometimes miss the forest for the trees. But this one has me completely baffled.

Any tips?

Incidentally, when I plug in the new bulbs the error goes away.
63126916097 is the part number of the new bulbs and they look IDENTICAL to the old ones. Maybe the tabs on the new ones need to be ground down a bit but like I said, I can't even get the old ones back in. So this is a technique issue.

this is what am struggling with:

https://youtu.be/HoMf6nFbzlw?t=56

mine won't push down into the housing like that. it's like the keyed tabs don't fit or something.