The quality of aftermarket LED tail lamps for a BMW X6 can vary significantly depending on the manufacturer, supplier, and specific product. Here are some factors to consider when evaluating the quality of cheap LED tail lamps for your BMW X6:

1. Brand Reputation:
   • Research the brand or manufacturer of the aftermarket LED tail lamps. Reputable brands are more likely to produce higher-quality products.
2. Customer Reviews:
   • Check customer reviews and feedback for the specific product you are considering. This can provide insights into the experiences of other BMW X6 owners who have purchased and installed the same aftermarket tail lamps.
3. Material and Build Quality:
   • Look for information on the materials used in the construction of the tail lamps. High-quality materials and robust construction contribute to better durability and longevity.
4. Certifications:
   • Check if the aftermarket tail lamps have any certifications or comply with industry standards. Certifications can be an indicator of quality and safety.
5. Warranty:
   • A warranty from the manufacturer can be an indication of confidence in the product’s quality. Check the terms of the warranty to understand what is covered.
6. Compatibility:
   • Ensure that the LED tail lamps are specifically designed for the BMW X6 model. Proper fitment is crucial for functionality and aesthetics.
7. Legal Compliance:
   • Make sure that the aftermarket tail lamps comply with local regulations and standards. Some low-quality products may not meet legal requirements for vehicle lighting.

Additionally, you can also discuss with my factory directly about all kinds of car customizable lamps at any times.