I wonder if it's a direct swap if we already have the auto dimming mirror. I think a bunch of the US production has the auto-dim feature from the get-go.

 

My 2018 has auto dimming

 

Even my 2016 F Sport has the auto-dimming function, though it's not the same mirror as pictured above.

 

my 2014s have auto-dimming mirrors.

 

I don't think it's a matter if you have the auto-dimming mirror. Some countries don't have this "luxury" feature. Very nice write-up.

I like the frameless mirror design and was wondering if we can swap it out with our existing auto-dimming mirror.

 

it'd look like you'd lose homelink if you were to swap the pieces out. if that's okay with you, go for it. on the other hand, if you rely on homelink to open your garage door or a home gate, then I'd be a problem. well, unless you are indifferent.

 

Some of owners said this one(87810-0wm00) is more sensitive, compared to the original auto dimming mirror. Before I just had manual dimming mirror, so I have no idea about the difference exactly

 

Actually, this one is an overseas model. They don't have Homelink. It's a US market thing. Luckily, we do have a frameless mirror unit that contains the Homelink buttons.

 

what mirror does that come from? is it the post-refreshed 3IS? do you happen to know the part number?

 

87810-0wm10

 

that's the mirror that doesn't have the homelink buttons on it though, right?

 

 

Did a little more digging

87810-0wm10 has automatic dimming as well as compass and homelink

87810-0wm00 is just automatic dimming

cost difference is about 200 dollars.

I assume that it would be plug and play... am slightly tempted to try

 

Hmmmm currently there is a used RC mirror (87810-0wm10) on ebay

for only $200.... http://ebay.to/2Drf9TM

not a bad price at all for this mod.