The F8X M3 M4 F32 4 Series Pre-LCI Xenon headlights are quickly looking outdated when compared to their LCI LED counterparts. Luckily we have exactly what you need so you can give them a race inspired look with Bayoptik's CSL Yellow DRL upgrade. 

The best part is that installation is plug and play, and can be performed in the comfort of your own garage with basic tools.

The CSL Yellow DRL module upgrade kit features:

• Complete CSL Yellow DRL LED boards for left and right headlights
• Thermal conductive adhesive
• Plug and play installation (fully reversible)
• All OEM functionality retained
• Complete installation instructions
• 1 year warranty

Note: Headlight removal is required to access the DRL modules at the bottom of the headlights

Fitments:

• 2014 - 2017 BMW F32 4 Series  (With Xenon Headlights)

• 2015 - 2017 BMW F80 M3 F82 M4 F83 M4  (With Xenon Headlights)

All sales are final across all of Bayoptiks headlight, taillight, and carbon fiber products and they do not accept returns.