RPM constantly swings between 4-500 for 2005 545i
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Joined: Nov 2007
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From: Boston, US
I noticed that when the engine is warmed up, the RPM is idling between 4 to 500. What I mean is that it constantly swings between 4 to 500, unlike all my other V6 bMW which the RPM does not swing.
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Joined: Mar 2008
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From: ORANGE COUNTY
My Ride: 2005 BMW 545I Titanium
FULLY LOADED:
Parking Sensor, Navigation, Cold Weather Package, Premium Package, Sports Package, Logic 7 Surround Sound System, Black Leather Interior, Wood Grain Package, Power Seats, DTC, DSC
Mine does it too, I also got a 2005 bmw 545i, i tried going 120 today and miraculously it went away! thanks for the tip.
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From: Houston, TX
My Ride: 2005 545i | Black Sapphire Metallic | Black Dakota Leather | Anthracite Maple | 6 Speed Manual | Sport Package | Logic 7 | Sirius Satellite Radio
Model Year: 2005
My car has a smooth idle, but it idles at around 750 rpms.
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From: So Cal, USA
My Ride: 545iSMGSilver GrayAuburn Dakota LeatherLogic 7 Premium SoundSports Package
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From: VA
Originally Posted by rafichicago' post='568309' date='Apr 25 2008, 08:15 PM
I have a friend working for BMW. I used to have the same issue. I was told to take it to the high speed (over 120mph) 
drive for a couple of minutes. So I did. Now the problem is gone.
It is very strange but the problem is gone for now. My guess is that there was extremely large amount of fuel going through injectors, but I am not sure.
drive for a couple of minutes. So I did. Now the problem is gone. It is very strange but the problem is gone for now. My guess is that there was extremely large amount of fuel going through injectors, but I am not sure.Hmmm... I drove 130mph for about 30 minutes (with help of radar detector)... but instead of fixing it, my fuel sending unit broke. lol...
After I fixed it, I did it again and still did not fix the problem...
SPEED DEMON(wish I had M5 then I GO CRAZIER!!!)
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