 |
|
 |
|
|
|
| 12-04-2012, 11:19 AM | #1 |
|
First Lieutenant
 103
Rep 327
Posts |
e92 rough idle as engine settles
When the car is initially started and just before the engine settles, I notice that the idle gets noticeably rougher and lumpy (it looks like it is jumping from 500 rpm to a little above it; around 800 to 900 rpm multiple times). I notice this mostly during cold starts in the morning and very very slightly during the day. I have been told this is normal, but I wanted to confirm. Otherwise, my car is throwing no check engine lights and it drives just fine.
Thanks everyone |
| 12-05-2012, 09:55 AM | #2 |
|
Major General
 
1570
Rep 8,075
Posts
Drives: 11 E90 M3 Individual
Join Date: Mar 2006
Location: Houston, TX
|
I get this too...not sure if its normal.
__________________
2018 F30 320iX Melbourne Red
2011 E90 M3 Monte Carlo Blue 2004 E46 M3 Imola Red 2000 E36/7 Z3 Steel Blue |
|
Appreciate
0
|
| 12-05-2012, 03:15 PM | #3 |
|
Colonel
 344
Rep 2,928
Posts
Drives: 328i, 335i, M3, 535i, X5, 36M
Join Date: Oct 2010
Location: OC
iTrader: (3)
Garage List 2014 Ford Raptor [0.00]
2012 328i E92 [10.00] 2013 X5 [0.00] 2013 335i F30 [8.00] 1990 Toyota Previa [0.00] 1997 E36 M3 [10.00] 2011 E92 M3 [0.00] 2011 535i [0.00] |
I get this too sometimes. No codes either. When it does this motor feels like struggling so I just blip the throttle lightly a few times, give it some gas and it goes away. I have to do this on my 84 toy van. Seems to work.
I also get a pop sound in the exhaust from 1-2 shift when engine cold. |
|
Appreciate
0
|
| 12-05-2012, 03:38 PM | #4 | |
|
Troll
79
Rep 1,193
Posts |
__________________
BMW E92 M3 Coupe | Jerez Black | Fox Red Extended / Carbon Black Trim| Fully Loaded | Moonroof | 6MT | Gintani Sport Quote:
|
|
|
Appreciate
0
|
| 12-05-2012, 04:22 PM | #5 | |
|
Colonel
344
Rep 2,928
Posts
Drives: 328i, 335i, M3, 535i, X5, 36M
Join Date: Oct 2010
Location: OC
iTrader: (3)
Garage List 2014 Ford Raptor [0.00]
2012 328i E92 [10.00] 2013 X5 [0.00] 2013 335i F30 [8.00] 1990 Toyota Previa [0.00] 1997 E36 M3 [10.00] 2011 E92 M3 [0.00] 2011 535i [0.00] |
Quote:
|
|
|
Appreciate
0
|
| 12-06-2012, 03:26 AM | #6 |
|
First Lieutenant
103
Rep 327
Posts |
Made a quick call to an SA and they mentioned that there is nothing to worry about as long as no significant codes are being thrown. I've tested it a few more times and its not consistent (as mentioned, it appears to be isolated to cold conditions). Given that the car drives fine, I don't have any issues cranking the motor, and I haven't experienced any loss of power, I am going to just enjoy the car. Of course, if anything new occurs, I'll take it to the dealership and update everyone as a result.
Thanks for the replies everyone  |
|
Appreciate
0
|
| 12-16-2012, 11:30 AM | #7 |
|
Putcha ang ganda...
279
Rep 5,441
Posts |
Not sure if anyone search but sooner or later it will throw a code might be in a week or months im sure its the low pressure sensor i would just wait until it shows up.. Just hope its not the ICV...
__________________
 |
|
Appreciate
0
|
| 12-16-2012, 11:57 AM | #9 |
|
White Shark
86
Rep 919
Posts |
car is warming up the cats on a cold start, my car did that and after i went full exhaust, i got a tune that removed the cold start. i have noticed that the car doesnt do it anymore after the tune.
__________________
ESS | Challenge x-pipe | Akrapovic | Stoptech BBK (380/355) |Ohlins R&T | Dinan | Vorsteiner | Downforce USA | Varis Diffuser | Gintani | UUC | BMW Performance | Macht Schnell | Forgestar F14's SDC 19x9.5F 19x11R | 255.35 295.30
 |
|
Appreciate
0
|
| 12-17-2012, 10:30 PM | #11 |
|
Captain
247
Rep 640
Posts
Drives: G87 M2 [MT]
Join Date: Mar 2008
Location: USA
|
Getting same thing here, noticing it more since I installed a much louder exhaust than stock. Otherwise the car runs fine.
|
|
Appreciate
0
|
Post Reply |
| Bookmarks |
| Thread Tools | Search this Thread |
|
|
