Product Name: Daytime Running Light Rail (DRL) Car model: For BMW 5 Series G38 2018-2020 LOW headlights Note: One headlight is 2 product (European version universal) 1:1 production of original lights. Solve the problem of yellowing Headlights: Daytime running lights This product supports wholesale and customization. Please contact us if you need it. Note: The 90% chance of yellowing this product is due to long-term use of DRLs. Replacing our products solves the problem perfectly (you don't need to replace the DRL ballast). 10% chance because: DRL ballast damage (ballast damage. This ballast and daytime running lights must be replaced at the same time).