550i Idle Issues...
03-13-2012, 02:04 AM
#21
Members
Join Date: Dec 2010
Location: Bulgaria
Posts: 57
Likes: 0
Received 0 Likes
on
0 Posts
My Ride: '06 E60 550i
I'm having the same issue as the OP - RPMs go slightly below 500, when coming to a stop, with the A/C off.
I also have another problem, some very slight vibrations, not related with the RPM going below 500. Most noticeable when the car is cold, but also there when it's warm, just less noticeable/vibrating. Usually can be felt when the car is at a stop and in Drive. It feels like the rear of the car is shaking slightly. No RPM fluctuation. The car is a '06 550i, at 46k miles. Things I've done so far:
- Changed sparks at 45k miles.
- Tried different coils, didn't seem to make any difference
- Tried different gas (we have different Octane numbers here in Bulgaria, lowest is 95, 95 premium/98 and 100 octane). Used to drive with 95 premium, last tank is 100 octane, but no noticeable difference.
- Changed tranny oil & filters
- Checked engine/tranny dampeners, all fine
No lights come on, no error codes on diagnostics. Voltage seems to be OK when idle/giving gas... It's a really soft vibration/shake. If I switch to Park/Neutral when the car is warm, it almost feels like it's gone, but it's still there when cold in Park/Neutral.
Anyone else had similar issues? I went over most of the rough idle topics, but didn't find anything similar ...
I also have another problem, some very slight vibrations, not related with the RPM going below 500. Most noticeable when the car is cold, but also there when it's warm, just less noticeable/vibrating. Usually can be felt when the car is at a stop and in Drive. It feels like the rear of the car is shaking slightly. No RPM fluctuation. The car is a '06 550i, at 46k miles. Things I've done so far:
- Changed sparks at 45k miles.
- Tried different coils, didn't seem to make any difference
- Tried different gas (we have different Octane numbers here in Bulgaria, lowest is 95, 95 premium/98 and 100 octane). Used to drive with 95 premium, last tank is 100 octane, but no noticeable difference.
- Changed tranny oil & filters
- Checked engine/tranny dampeners, all fine
No lights come on, no error codes on diagnostics. Voltage seems to be OK when idle/giving gas... It's a really soft vibration/shake. If I switch to Park/Neutral when the car is warm, it almost feels like it's gone, but it's still there when cold in Park/Neutral.
Anyone else had similar issues? I went over most of the rough idle topics, but didn't find anything similar ...
05-14-2014, 07:53 AM
#22
Members
Join Date: Jun 2009
Location: New York
Posts: 41
Likes: 0
Received 0 Likes
on
0 Posts
I have the same annoying issue on a 06 550i as well here. No one seem to know what it is? Since it's not yet giving any faulty codes and don't feel like replacing parts I don't need yet)
PS, spark sparks and crankcase PCV vent valve @ 100,000 miles.
MAF was cleaned twice with (CRC Mass Air Flow Sensor Cleaner), used two different time (BMW Fuel System Cleaner (20 fl oz) 82140413341) within 1000 miles.
seahawk
E60 2006 550i
PS, spark sparks and crankcase PCV vent valve @ 100,000 miles.
MAF was cleaned twice with (CRC Mass Air Flow Sensor Cleaner), used two different time (BMW Fuel System Cleaner (20 fl oz) 82140413341) within 1000 miles.
seahawk
E60 2006 550i
I'm having the same issue as the OP - RPMs go slightly below 500, when coming to a stop, with the A/C off.
I also have another problem, some very slight vibrations, not related with the RPM going below 500. Most noticeable when the car is cold, but also there when it's warm, just less noticeable/vibrating. Usually can be felt when the car is at a stop and in Drive. It feels like the rear of the car is shaking slightly. No RPM fluctuation. The car is a '06 550i, at 46k miles. Things I've done so far:
- Changed sparks at 45k miles.
- Tried different coils, didn't seem to make any difference
- Tried different gas (we have different Octane numbers here in Bulgaria, lowest is 95, 95 premium/98 and 100 octane). Used to drive with 95 premium, last tank is 100 octane, but no noticeable difference.
- Changed tranny oil & filters
- Checked engine/tranny dampeners, all fine
No lights come on, no error codes on diagnostics. Voltage seems to be OK when idle/giving gas... It's a really soft vibration/shake. If I switch to Park/Neutral when the car is warm, it almost feels like it's gone, but it's still there when cold in Park/Neutral.
Anyone else had similar issues? I went over most of the rough idle topics, but didn't find anything similar ...
I also have another problem, some very slight vibrations, not related with the RPM going below 500. Most noticeable when the car is cold, but also there when it's warm, just less noticeable/vibrating. Usually can be felt when the car is at a stop and in Drive. It feels like the rear of the car is shaking slightly. No RPM fluctuation. The car is a '06 550i, at 46k miles. Things I've done so far:
- Changed sparks at 45k miles.
- Tried different coils, didn't seem to make any difference
- Tried different gas (we have different Octane numbers here in Bulgaria, lowest is 95, 95 premium/98 and 100 octane). Used to drive with 95 premium, last tank is 100 octane, but no noticeable difference.
- Changed tranny oil & filters
- Checked engine/tranny dampeners, all fine
No lights come on, no error codes on diagnostics. Voltage seems to be OK when idle/giving gas... It's a really soft vibration/shake. If I switch to Park/Neutral when the car is warm, it almost feels like it's gone, but it's still there when cold in Park/Neutral.
Anyone else had similar issues? I went over most of the rough idle topics, but didn't find anything similar ...
02-28-2018, 09:15 PM
#23
New Members
Join Date: Feb 2018
Location: Colorado
Posts: 4
Likes: 0
Received 0 Likes
on
0 Posts
My Ride: 2008 BMW 550i Blue with tan interior. M Package
Model Year: 2008
My 2008 550i has the same scenario described. I followed the advice above. Got the Mass air flow sensor cleaner. Some high quality fuel system cleaner and tank full of shell gas. The car ran great. Absolutely no problems or issues related to the bogging down at idle. The next tank of gas, it comes back. Bogs down and flutters at idle. Take off is slow. Even the throttle response is delayed. So I guess I need a new MAF sensor.
Thread
Thread Starter
Forum
Replies
Last Post
Specia1k
E60 Discussion
8
11-06-2020 04:48 PM
w8199
E60 Discussion
7
07-17-2015 04:59 PM