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7 Series - F01 (2009 - current)
The new re-designed 7 series leads off the BMW Fxx chassis code!

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Old 08-21-2010, 10:03 AM
rsingh111 rsingh111 is offline
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Location: Minnesota
Join Date: Dec 2009
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Mein Auto: 2012 750Li AH
Rough idle

I have noticed over the last couple months an intermittent vibration when coming to a stop. Car vibrates or shakes a bit for a couple seconds and then stops but is continous. Anyone else have same issue. Appreciate any feedback
2012 750 Li Active Hybrid
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Last edited by rsingh111; 08-21-2010 at 08:43 PM.
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Old 08-21-2010, 09:13 PM
Deutsch100 Deutsch100 is offline
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Location: Southern California
Join Date: Mar 2010
Posts: 631
Mein Auto: 2012 Active Hybrid 7
I have noticed this the past couple of months. My car has just under 5000 miles! Since it is very, very intermitent...it does not seem worth me taking it to the dealer! Mine is a noticeable (but muted) vibrate/shake (no sound though)...just a rough/off idle! Usually my car is so smooth and quiet at stops, I think I am in a Hybrid!
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Old 08-21-2010, 11:45 PM
Slick44 Slick44 is offline
Location: NEW JERSEY
Join Date: Oct 2009
Posts: 1,457
Mein Auto: 2011 BMW 750i/2007 750i
i notice this too.. as if the car is choking a little.. i however took it to the dealer, and they said that this car is so powerful blah blah blah bs bs bs that this should be expected..
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Old 08-22-2010, 05:34 AM
Darkchildx Darkchildx is offline
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Location: Kuwait
Join Date: Aug 2010
Posts: 7
Mein Auto: bmw 730Li
I think that happened to my 2002 model car as well, I think it has something to do with the coils if I can remember correctly, check with your local bmw garage/mechanic
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Old 09-04-2010, 07:39 AM
texgeekboy texgeekboy is offline
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Location: Texas
Join Date: Nov 2009
Posts: 263
Mein Auto: '14 750i
I had the same problem, but it wasn't frequent. Just before I took it in for the 17K mile service, I had one shake that was so bad I thought it was about to stall out. The SA was able to duplicate the problem. It had something to do with the low fuel pressure sensor. It incorrectly detected that there was not enough fuel going in, so it boosted the amount of fuel.

Since then my car has idled much better, but I still detect a slight vibration once in a while. I'd say it was 97% better.
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Old 03-30-2011, 04:09 PM
texgeekboy texgeekboy is offline
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Location: Texas
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Posts: 263
Mein Auto: '14 750i
Bringing back this golden-oldie with an update. Since my last post (9/10) on the subject, the idling has gotten rougher. Still, it never hit the level of roughness before I took it in back then. I just had it in for my second scheduled maintenance (29K miles), and told my SA about it. Besides the normal maintenance stuff, they were looking into the rough idle and a problem I had with my right front camera. When I got the car back yesterday, the SA said they could not replicate the rough idle problem, which was disappointing. But, on my daily commute today, I did not notice any rough idling at all! It had idled roughly as the car warmed up, but today it was smooth as silk. I called up the SA and asked him if anything they did during the maintenance work would have affected it. He said no, but that they had 'reflashed' my computer a couple of times trying to address the camera and idle problems and that may have fixed it.
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Old 03-31-2011, 05:48 AM
huanjf huanjf is offline
Location: Durham, NC
Join Date: Aug 2010
Posts: 194
Mein Auto: BMW 750Li
Thanks for the update.
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Old 03-31-2011, 11:35 AM
Norinred Norinred is offline
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Location: ATLANTA
Join Date: Mar 2007
Posts: 23
Mein Auto: 2009 750LI
i have the same problem it does it at stops, feels like a small earth quake, the car is at the dealer getting the side cameras replaced ill ask about it when i go to pick it up
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Old 03-31-2011, 06:54 PM
texgeekboy texgeekboy is offline
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Location: Texas
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Posts: 263
Mein Auto: '14 750i
My posts didn't say, but my rough idling was only noticeable at stops as well. Good luck!
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Old 09-28-2012, 06:16 PM
oneofew oneofew is offline
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Join Date: Jun 2005
Posts: 100
Mein Auto: 2011 B7 Alpina
Lately my 2011 B7 has been singing the blues as I sit still at the light, slight rough idle, time to time a jolt as if it's going to stall.

Attached is the copy of the repair receipt to illustrate the work done by the dealer. So far on the way back home car idled silky smooth, as for the jolt it's too soon to tell, since it was an intermittent problem.

Hope this helps all of you suffering from the same symptoms.
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Old 09-29-2012, 05:29 AM
f01driver f01driver is offline
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Location: Canada
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Posts: 713
Mein Auto: 750i, S5
Thanks for the scan, very helpful for people who are experience similar issues like myself.

My car feels like it's going to die when I'm idle but all is fine once I start moving. It hasn't happen lately so it's one of those problems that is hard to explain to a SA and for the dealership to fix. I'm going in next week to have my rock chipped grilles replaced so I'm going to ask my friend who's a parts manager to take a look at the above scan of the repairs and see if he he can have the techs take a look at my car.
2011 750i

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Old 09-29-2012, 11:04 AM
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Individual750LI Individual750LI is offline
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Location: Las Vegas
Join Date: May 2012
Posts: 513
Mein Auto: 2013 750I M
I took my car in last month for the same problem, it's emberrassing to have people in the car and the car starts shaking at the stop light!

So the dealer kept it for 2 days and reported back after test driving for 30 miles that they can't replicate the problem!

I told them about what I read online, and the SA just told me to not believe what I read from the internet!
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Old 10-15-2012, 09:01 PM
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dagoo98 dagoo98 is offline
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Location: Brooklyn, NY
Join Date: Apr 2004
Posts: 680
Mein Auto: 2011 BMW 750i M-Sport

I had a very similar problem with my 2011 750i......I noticed that idle dropped lower than usual when I got this vibration and that the idle would smooth out if I turned on the AC to raise the idle.

To make a long story short....on this car the dealer can program the idle under different scenarios such as when it's in gear, when it's in gear with the climate control on, etc. An idle adjustment solved my issue.
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