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X1 E84 (2011 - 2015)
First generation BMW X1 availbe as a X1 28i with either sDrive (RWD) or xDrive (AWD) or the US exclusive I6 N55 powered X1 35i xDrive.

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  #1  
Old 05-31-2018, 03:56 PM
Guam135i Guam135i is offline
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X1 Start/Stop mode

Because of this feature will it cause premature wear on the battery or the starter? On Guam stop and go is every 10 mins I am concerned it would prematurely wear the starter or the battery.

Any comment?
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  #2  
Old 05-31-2018, 04:32 PM
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To be completely honest the way I look at it is how much gas are you actually saving with said feature? I turned mine off the second I bought my f10 and haven't thought twice about it. I think it's more of a nuisance than it's worth. To try and answer your question, a built in feature of your car will not damage your car.

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Old 05-31-2018, 08:37 PM
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I believe if you read the owners manual it says in there that this feature will increase wear and tear on certain components in the car. With the feature turned off on my 10 mile drive to work my starter works only once I have this feature on my starter will probably get put to work at least 10 times so unless BMW engineered the starter to have 10 times the normal life as compared to previous starters I would have to say it will cause premature wear .
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Old 05-31-2018, 11:09 PM
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indigology indigology is offline
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Originally Posted by sayemthree View Post
I believe if you read the owners manual it says in there that this feature will increase wear and tear on certain components in the car. With the feature turned off on my 10 mile drive to work my starter works only once I have this feature on my starter will probably get put to work at least 10 times so unless BMW engineered the starter to have 10 times the normal life as compared to previous starters I would have to say it will cause premature wear .
Not sure if I believe that after I read this stated in the picture I attached. Click image for larger version

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Size:	50.7 KB
ID:	798650

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Old 06-01-2018, 08:24 AM
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sayemthree sayemthree is offline
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Not sure if I believe that after I read this stated in the picture I attached. Attachment 798650

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I am just quoting what BMW says about their car and design in the owners manual. its up to you to choose what to believe, some people believe the world is flat.

Page 58 of my BMW x1 owners manual discusses the Automatic Engine Start/stop function and says Quote: "Certain vehicle components may experience additional wear as a result of this system."
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Old 06-01-2018, 12:59 PM
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sayemthree sayemthree is offline
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Despite not knowing much about the starter in the X1 (I just got it last week), I would have at agree with this.

From my observations, the way the starter motor "starts" the vehicle when in start/stop mode vs starting it in the morning, or when leaving the office, or otherwise when the vehicle is actually turned "off", is completely different. I find the start/stop "start" is much quicker / doesn't crank as long, and it "sounds" quieter. Obviously none of this is scientific, but I feel that since I can personally tell a difference between the two actions, there must be a difference in how they affect the relevant components.

FWIW, the auto start/stop technology came to existence because of regulatory requirements in parts of Europe. The driving cycle in Europe is a lot more stop/go than it is in North America, therefore, Europeans see a much higher fuel savings, and more importantly for them, reduction in pollution (the main driver for the start/stop technology). I do also worry about increased component fatigue, but it's how the vehicle came from the factory, sooooooo..... TBH, I'm more concerned about how it works in -40 degree weather in the dead of winter, as opposed to summer driving.
I agree with your un scientific observation on how the stop start feels….. I'm just quoting the BMW owners manual
I'm not overly concerned with the wear and tear I have 48,000 miles and four years/ hundred thousand mile warranty
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Old 06-01-2018, 02:05 PM
Yukoner Yukoner is offline
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Originally Posted by sayemthree View Post
I agree with your un scientific observation on how the stop start feels…... I'm just quoting the BMW owners manual
I'm not overly concerned with the wear and tear I have 48,000 miles and four years/ hundred thousand mile warranty
Oh for sure, I wasn't saying you were wrong or anything like that. I do believe that the auto start/stop DOES cause more wear and tear. It HAS to. Simple physics, it's more moving mechanics, therefore there will be more wear. My comment was more directed at the starter motor itself, and how it behaves when actually turning the car on vs resuming from a start/stop.

It'd be interesting to find someone who's been using the start/stop for a long time, in heavy traffic conditions, and seeing if they experienced any premature failures of any related components.
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Old 06-01-2018, 10:27 PM
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sayemthree sayemthree is offline
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Yes it causes more wear. No I am no overly concerned about it.

Are we back to global ice age ? What happened to global warming?
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Old 06-02-2018, 10:27 AM
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Are we back to global ice age ? What happened to global warming?
?
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Old 06-05-2018, 04:06 PM
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Originally Posted by Guam135i View Post
I posted this question because on my 128 and 528 starter was gone for both cars at approximately at 31K miles because of graphite brushes. Can I turn this feature off thru coding or do I have to press the off button all the time? (my wife might not want to press anything before she drives).
I know on the X1 you can push the auto stop/start off button and it stays off (it remembers the last setting by which key you use, to be specific). I don't know if your 1 or 5 series would behave in the same way, but it sure does remember it on the X1.
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Old 06-10-2018, 09:07 PM
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?
Not even sure if -40 degrees is cold anymore ?
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Old 06-10-2018, 09:22 PM
Autoputzer Autoputzer is offline
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There's a blurb in you owner's manual saying that the auto-stop feature can cause increased wear on components.

A modern BMW uses anywhere between 0.25 and 0.5 gallons/hour when idling, depending on the air conditioner load and size of the engine. (You can determine this experimentally using the OBC, trip odometer, and a stopwatch. The details are left as an exercise for the reader.)

My 2014 535i starts up with the auto-stop feature as it was when I turned the car off. Frau Putzer's 2018 X3 defaults to the auto-stop being on. When I'm driving her X3 and forget to turn it off after starting the car and it konks out at our first red light or stop sign, she says "What the Hell is wrong with you?" She says that a lot. If she dies before me, that's going to be the inscription I put on the urn containing her ashes.

BMW obviously uses auto-stop when running their cars in the US EPA emissions and fuel economy tests. So, I suspect that's the reason that it defaults to being on. I guess a US EPA bureaucrat caught this sometime between testing the 2014's and testing the 2018's and made (literally) a federal case of it. BMW's default to Comfort mode instead of Sport mode at start-up for the same reason..
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Old 06-11-2018, 10:49 AM
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Not even sure if -40 degrees is cold anymore ?
Oh, hahahah. Yeah, the cars really love those temps.
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Old 06-13-2018, 12:09 AM
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sayemthree sayemthree is offline
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I figure the start stop mode saves me $240 to 300 a year
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Old 06-13-2018, 11:13 AM
digitaleye digitaleye is offline
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Originally Posted by Guam135i View Post
Can I turn this feature off thru coding or do I have to press the off button all the time? (my wife might not want to press anything before she drives).
On my 13 X1 I keep the auto-start/stop feature turned on but if I think the stop wont be long I pull the shift lever to the left and pop it into sport mode. This disables the auto start/stop. I find its a lot easier to do than pushing a small button thats low on the center dash. To me the feature only works well when there a long stops (more than 30 sec or so) stop-n-go its not effective and , frankly mine turns itself off if there are too many starts and stops in a short period :-)
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Old 06-13-2018, 03:15 PM
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frankly mine turns itself off if there are too many starts and stops in a short period :-)
Yes. If the vehicle detects that you're "creeping" in stop and go traffic, it turns off the auto start / stop. The auto start / stop is really meant for red lights, more than anything else. In Europe, many areas have passed local laws that require vehicles to be turned off at red lights (hence why this technology exists in the first place).
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Old 06-26-2018, 03:16 PM
Denver61 Denver61 is offline
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I turned mine off.

I just can't get used to my engine shutting down at stop lights. Just weirds me out.
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Old 01-16-2019, 05:16 PM
Guam135i Guam135i is offline
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Originally Posted by Denver61 View Post
I turned mine off.

I just can't get used to my engine shutting down at stop lights. Just weirds me out.
I wish mine could be completely turned off instead of having to press the off button every time the car is started
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Old 01-16-2019, 06:13 PM
Autoputzer Autoputzer is offline
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Originally Posted by sayemthree View Post
I figure the start stop mode saves me $240 to 300 a year
In LA, that's plausible. But, depending on how long you keep your BMW, there could be a turbocharger or starter replacement bill in your future that might not otherwise have been there.
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Old 01-17-2019, 09:07 AM
kevman2 kevman2 is offline
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The dealer can program start stop as off, as a one time courtesy. Had mine done long ago, have to push button only to activate the feature.
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Old 01-17-2019, 09:17 AM
Yukoner Yukoner is offline
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I can also confirm that the auto start / stop does not engage (even if the feature is turned on) in cold weather. I'm not sure if this is because the engine is not at normal operating temp, or if it has to do with outside air temp. I suspect the latter.
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Old 01-17-2019, 09:02 PM
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sayemthree sayemthree is offline
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I have started regulating mine by shifting into sport when I stop and I don't want it to start back up instantly, like when I stop and I see the light is changing. But if I stop at a yellow light I'll let it shut off since I know it will be 30 to 90 seconds
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