[CROSP]

Hi,

I've bought rear taillights for my BWM X3 F25, it came with halogen lights from the factory.
I want to upgrade my tailligths to LED. I have one pin missing in each connector, as I may guess it is used for the LED signal.

I've found one related topic https://x3.xbimmers.com/forums/showthread.php?t=1711943
However the author removed the post content.

I am interested in the following:
1. Where can I find the schematics for FRM modules? I have been looking for a couple days already.
2. Do I need a new FRM module just to upgrade the taillights without touching headlights?

I would be grateful for any help!

[MSport_Jon]

You need BMW TIS or ISTA. ISTA D might have the schematics you need. Google ISTA D.