I received an email from Eonon this morning saying they forgot to include the DSP extension cable in my order and offering to either ship a replacement or give me a $10 refund if I didn't need it.

On the one hand, this is a pain as I'm going to have to delay my install (already delayed due to other issues) until it arrives, but I'm impressed they caught the error and proactively offered to fix it. They had also sent a follow up email about two weeks after my order to see if it was installed, if I needed any help, etc.

I'm impressed with their support operation. My work is in customer experience management (I'm with Xbox) and I can absolutely say this sort of proactive outreach/problem-solving is not easy to pull off. Their presentation isn't always ideal for a western audience - some obvious spelling and wording issues from translation - but so far the spirit and execution of their support has been incredible, even compared to US tech companies I deal with.

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2010 E93 M3 - Le Mans Blue
2010 E70 X5M - Alpine White
2016 F15 40e - Imperial Blue