2004-2005 BMW 645Ci XB LED Fog Lights Fiat The signal swap system allows

The signal swap system allows users to personalize how the daytime running lights and turn signals operate according to personal preference

Full Compatibility: Plug-and-play installation for halogen/incandescent and OEM LED tail lights

which is why the 2Banger features a copper DTP (direct thermal path) PCB that maximizes heat-transfer to the radiator

hand-tighten

2004-2005 BMW 645Ci XB LED Fog Lights Fiat The signal swap system allowsDESCRIPTION The Morimoto XB LED Fog Lights are a premium lighting solution designed for the 2004 2005 BMW 645Ci. These fog lights feature powerful Nichia 5500K LEDs, delivering approximately 1200 raw lumens per side for exceptional brightness. With projector based optics, they provide a wide and evenly distributed beam of pure white light, meeting and exceeding SAE, DOT, and ECE regulations. The fog lights come in complete housings that directly