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Sublimejoe 02-25-2013 07:46 PM

BMW style auto mirrors?
If anyone here has driven or owned a BMW in the past you will know of the super rad feature where the mirrors automatically go down so you can see the curb when the car is put in reverse.

Is this something that is in any way possible in our cars?

Silinc3r 02-25-2013 08:47 PM

I no exactly what you are talking about. Drove a buddies early 2000 5 Series and I freaked out when that happened. Thought it was the coolest thing in the world.

sigmafour 02-26-2013 03:16 PM

Sounds like a mod you may have to ask mickeyd to look into...

Mr. Sinister 02-26-2013 06:16 PM

I'd buy it.

sigmafour 02-26-2013 07:17 PM

so would I...

mikeyd 02-28-2013 12:50 PM

Funny, I have been thinking about other mods/products I could create for our cars. Off the top of my head...

It wouldn't be too tough but I don't know how I would make the mirror goto consistent stop positions. A timer based solution would get sloppy and end up not returning the mirror to where you want it to be after a few times I think. There is currently no way to detect the position of the mirror. I'll have to think more about it but I donno.

ps.. Thanks for thinking of me sigmafour. I've got parts to make 5 more of my sunroof module if anyone is interested:

sigmafour 03-02-2013 09:49 AM

Yes, good call. the motors would need to be changed to something with absolute positioning - would become a huge project. Also the BMW motors 'snap' to position - it's quite impressive. If you're going to go to all that trouble then you may as well throw in the folding JDM mirror trick too - and not just the JDM swap but incorporate the lot into one mod at that point since you'd be swapping all kinds of the internals - cool but I think it would become quite an undertaking.

dsickles 03-02-2013 09:07 PM

here ya go:

logspli 03-02-2013 09:30 PM

i would buy it... such a nice feature

ChaoticZen 03-02-2013 10:08 PM

Coming from a 2002 BMW E39 5 series, I would say yes, it's a neat little feature that helps especially with curb site parking. However the system is not without its glitch tho, if I pop out of the reverse too quick it sometimes doesn't return to its normal position.

Sublimejoe 03-03-2013 03:49 PM


Originally Posted by dsickles (Post 4321058)

Oh, damn! I wonder how well it works. Seems to be well designed but the universal part worries me.

BigTDogg (MA) 03-03-2013 07:13 PM

I think the universal part refers more to the connections, not so much the function as it has the knobs to adjust up and down time. The key would be to program in some hysteresis compensation in case you pop it in and out of reverse quickly like ChaoticZen said. I might try that unit out. I had been thinking about making my own Arduino based unit for my Z and LGT, but a lack of free time has been killing me.

Power6 04-08-2013 05:01 PM

I've used the KP Technologies device before, put it in my SRT-4 for the reverse tilt down. It works pretty good. As has been pointed out the key to the tilt down is a "memory" mirror system that has position sensors which don't exist in a less luxurious car like a Subaru.

The KP timer thing does the trick, even if you think you adjust it perfect (it has separate up and down timer settings) it is not quite it will drift a bit over time, the unit has a feature where it will only activate when you shift to reverse twice in a few seconds, so you only use the feature when you need it, that way there is less drifting of the mirror position over time.

No reason to worry about a "universal" application, every mirror adjustment in every car works the same common "ground" and one wire each for up/down side/side direction motors, the KP unit just taps into the up/down and ground wires from the switch.

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