Cheapest for a reason. Absolute horrible.
Terrible. Bought one of these before purchasing another competitors item. The BimmerDirect MMI ended up being far superior and although they are Asian also they could actually speak English, provide instructions, etc. unlike roadtop. The build quality of the roadtop MMI and screens shows you exactly why they're the cheapest. I'm convinced that they make these to con Americans/Europeans that are too uneducated to do research. Do yourself a massive favor and get the BimmerDirect or Mr12Volt devices. Those companies are ALSO Asian but ions better. It literally makes no sense to "save" $100 when you'll be forced to buy another device again when this stuff fails or when you realize it's abysmal. That's poor people logic and if that's how you think you have no business driving a BMW. Oh yeah: Don't believe the good reviews. They tried paying me to write a good review. I genuinely tried giving them a chance but once they refused to return the horrible product within the return period... They lost all favors.