[aspame82]

We know that some high end F series as F15/F15/ 6 to 8 series have multicolor OEM ambient lighting, some of them are based on BDC ecu which allows to code the ambient lighting to any color (RGB) based on several layer options.
However, for Bmw series (5) or BMW X3 F25 which are based on FRM, the OEM ambient lighting is for two colors (white and orange).

Hi. I have seen in youtube that some guys from vietnam and China (aliexpress store) are selling an aftermarket product for multicolor ambient lighting (9 colors) for BMW F30, F10, F25.

After contacting some vendors, I have understand a bit the principle for adding multicolor ambient lighting (9 color) for BMW 5 (F10) and X3 (F25) (with NBT or NBT evo) that can be controlled by Idrive.
Parts:
Depending on the model, here for bmw X3 F25:
1) they offer a set of RGB leds and plug and play wires for front doors and rear doors (2 lights per door for upper and top sides).
2) Footwell Lights RGB.
3) Modified top door trims (4x)
4) Led Lights module

How it works?
The Led ligh module is composed of 8 pins. for input signals: 4 pins are installed in parallel to the idrive knob (It also have 4 pin connection) , so it can take: 1)power 2) ground 3) Can high 4) can low. The remaining 4 lines are for output signals: this is a main line with 4 pines (correct me if I am wrong but should be for R G B and ground). the main line has divisions to spread the lights to front doors, rear doors and footwell zone.

The lights can be controlled by Idrive, choosing in the extended menu in the interior light section. with 9 choices: White, Blue, Orange and 6 combinations more (as it is for bmw x5 F15 / X6 F16).

When you select by idrive the color (3x) or color combination (6x), the led ligh module can read those signs and in this way is produced the multicolor ambient lighting. It means this light module makes the work of BDC (as BMW F25/ F10 are FRM ECu based )


Coding for extended menu in Idrive (to allow the ligh desing menu and to appear 9 color options).

In HUNBT2[63]
Search:

COLOUR_SWITCH —> aktiv
HELLIGKEIT_AMBILIGHT —> aktiv
COLOUR_SWITCH_ENSEMBLE —> 10_eintraege