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      04-23-2013, 10:53 PM   #1
Nepal
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Blind spot detection way too aggressive

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Put 1200 miles on my 335i Msport already. So far love everything of this car except the blind spot detection function. It is WAY too aggressive that makes me almost impossible to change lane in normal driving condition. Basically as long as there is a car can be seen in my side rear-view mirrors, that functional is active. This literately makes it impossible for me to change lane without turn this function off.
Anyone has the same issue? Is there any way to adjust the sensitivity of this function?
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      04-24-2013, 01:19 AM   #2
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you can set the sensitivity to zero by turning it off
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      04-24-2013, 02:26 AM   #3
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Maybe you need to stop trying to cut people off
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      04-24-2013, 08:02 AM   #4
vern
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Works fine for me. It works the way it was designed to. It must be you.
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      04-24-2013, 08:30 AM   #5
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Thats why i didnt buy lane departure and blind spot for an extra $800. I know its only $800 for a expensive car but that feature will irrtate me
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      04-24-2013, 08:42 AM   #6
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Probably something that either A) is broken or B) can be coded and made less sensitive
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      04-24-2013, 08:52 AM   #7
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it works great for me :/

I thought I'd never need it...but it turns out to be really useful.

you, sir, are probably too aggressive
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      04-24-2013, 09:14 AM   #8
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Quote:
Originally Posted by pallymore View Post
it works great for me :/

I thought I'd never need it...but it turns out to be really useful.

you, sir, are probably too aggressive
+1

I love it, this has prevented me many times of aggressive drivers.
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      04-24-2013, 10:06 AM   #9
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Yeah, blind spot detection is really goddamned stupid on a normal size car for someone who knows how to adjust their mirrors properly. I can think of 0 times in my life where something was in my (alleged) "blind spot".

That said, I'm happy that the masses in their Canyoneros have it; makes it easier for me to blow by them in my puny little cars; the oversensitivity makes them think they have way less space than they do, so I can just sneak right by before they figure out how to use their mirrors and judge distance.

It's gonna become more and more necessary, though, as cars get ever-higher beltlines, thicker c-pillars, higher trunks, etc. Pretty soon you won't be able to see out the windows at all!
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      04-24-2013, 05:55 PM   #10
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Maybe my driving style is a bit on the aggressive side, however I do noticed that everyone who think 'this is because of you' do not live in SolCa.
In SolCa, this function as it is on my car, makes me or anyone else impossible to change lane. There is simply no such big gap available in the normal traffic condition.
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      04-24-2013, 05:57 PM   #11
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Quote:
Originally Posted by jddssc121 View Post
you can set the sensitivity to zero by turning it off
Haha, very funny. I was wondering is there anything between 0% to 100%?
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      04-25-2013, 03:24 AM   #12
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Quote:
Originally Posted by Nepal View Post
Maybe my driving style is a bit on the aggressive side, however I do noticed that everyone who think 'this is because of you' do not live in SolCa.
In SolCa, this function as it is on my car, makes me or anyone else impossible to change lane. There is simply no such big gap available in the normal traffic condition.
Even so, the detection doesn't prevent you from changing lanes. It just vibrates your steering wheel. Once you're over in front of someone, that goes away. You get used to it in rush hour traffic.
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      04-25-2013, 09:49 AM   #13
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Even so, the detection doesn't prevent you from changing lanes. It just vibrates your steering wheel. Once you're over in front of someone, that goes away. You get used to it in rush hour traffic.
This is exactly where I have problem with. I don't want to ignore the vibration warning. Doing this is not only annoying but also defeat the whole purpose of my $1900 investment. I don't want to get into this habit and confuse myself when the real danger comes. Of course, I can still change lane as long as I don't use the turning signal, but this is another habit I don't want to myself to have.
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      04-25-2013, 10:04 AM   #14
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I also find it too sensitive, particularly when passing the car "in" the blind spot. As a rule, I try very hard not to cut close in front of people, but the system gripes about cars that are way behind me. It would be nice if it paid (more) attention to the relative motion of the two cars.

I also find the lane departure warning too aggressive, and too slow to notice the blinker is on. But I've learned to treat the various warning the car offers as meaning I should take a second look, then decide for myself. They are not "orders" that must be obeyed. That attitude makes them much less annoying.
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      04-25-2013, 05:14 PM   #15
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Quote:
Originally Posted by bacampbe View Post
I also find it too sensitive, particularly when passing the car "in" the blind spot. As a rule, I try very hard not to cut close in front of people, but the system gripes about cars that are way behind me. It would be nice if it paid (more) attention to the relative motion of the two cars.

I also find the lane departure warning too aggressive, and too slow to notice the blinker is on. But I've learned to treat the various warning the car offers as meaning I should take a second look, then decide for myself. They are not "orders" that must be obeyed. That attitude makes them much less annoying.
Thank you! I am glad I am not alone here! Any solutions so far?
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      04-25-2013, 05:28 PM   #16
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Wouldn't you rather have it be too aggressive than fail?
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      04-25-2013, 05:33 PM   #17
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Triggering on a car 3-4 lengths back and falling back, clearly visible in my (center) rear-view mirror, is taking "fail-safe" a bit far.
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      04-25-2013, 05:52 PM   #18
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Quote:
Originally Posted by Ryan9095 View Post
Wouldn't you rather have it be too aggressive than fail?
Before I got this car, I was thinking exactly the same. Now it becomes very annoying. I want it work properly, i.e, as long as I am two or three cars length ahead of other cars, it allows me to change lane.
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      04-25-2013, 06:02 PM   #19
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My old Yukon had an awesome SBZA, this sounds like it sucks. It was the size of a darn tank and it had an effective tint of 7% on the rear so you couldn't see anything. It would only tell you when a car was ~5 feet off the back of your bumper a lane over... this doing 50 feet might get annoying.

EDIT: Figure out where the sensors are and you can probably change the angle of them in some way
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      04-25-2013, 06:30 PM   #20
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Quote:
Originally Posted by Steve33 View Post

EDIT: Figure out where the sensors are and you can probably change the angle of them in some way
Unfortunately, thats not gonna be an option.
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      04-25-2013, 06:35 PM   #21
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I don't mean to get defensive, but 'blind spot detection' by definition should detect objects in 'blind spot', not control the way you drive. Am I wrong on this? A moving car that can be clearly seen in center rear-view mirror is definitely not in 'blind spot' IMHO.
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      04-25-2013, 07:09 PM   #22
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Half the issue with cars in the blind spot is when they are approaching rapidly. Even if they are 4 car lengths back when one starts to change lanes, they might be much closer very soon.

Even if I drive like speed racer, if I am trying to merge out of the slow lane, I may need to consider approaching cars at a distance, and need to watch the cars in front and behind me while calibrating the lane change.

A bit conservative is not necessarily bad - the vibration is easy to ignore.
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