Question about 2007 BMW M Series
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Posted on Jan 02, 2017
Do you mean that the gauge registers as empty, even after the tank is filled? Probably the sending unit needs to be replaced (it's in the tank, likely partially attached to the fuel pump).
Posted on Jul 27, 2008
SOURCE: BMW 320i year2002 e46
I don't think your trouble is on the ignition side of it but I am sure that you must have a look at the idle speed control(stepper motor).
If with temperatuer your "misfire"changes to better, it means that it's probably running too lean at cold, normally the stepper motor or ISC does this job.
Let us know how you get on.
Posted on Oct 31, 2008
That was just a generic answer I do not know your particular car. Back in the day we put oil around the intake gaskets and if the engine speed increased or steaded we knew that we had found it. I also could be other things. Have you tried Carb/injector cleaner in with the gasoline? A vacuum leak could be too small to show on a vacuum gage but a person could look for or at least confirm a leak with the gage. Sorry I can not be of more help.
Posted on Jan 10, 2009
If is for a 3 series compact (318ti most common) then
P2799 is the intake air tem sensor 2
Which would explain the high idleing. Probably a sensor problem (bmw will charge) a competant mechanic should do it easily.
Posted on Apr 27, 2009
change the fuel you are using. try some fuel system cleaner. this is a petty issue, every vehicle develops issues over time.a bmw owner complains about hestitations, a bmw driver enjoys the ride. DEAL WITH IT!!!
Posted on May 02, 2009
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