2002 330d e46

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  1. 2002 330d e46 
    #1
    aka
    aka is offline
    Bimmer Fan
    Car Details
    aka's Car Details
    Model of Car:
    330d
    Year of Manufacture:
    2002
    Transmission Type:
    Manual
    Car Body Type:
    saloon

    Join Date
    Aug 2012
    Location
    Warrington
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    My 2002 e46 330d is driving me nuts!! I have an intermittent lumpy idle, as if it has a misfire. Sometimes it is silky smooth. When it idles lumpy I stop the engine, restart it and it will idle smooth again but the lumpy idle soon returns!! I have changed the oil, oil filter, air filter, crankcase breather, fuel filter, cleaned the egr and maf sensor but still no change. Has anyone experienced anything similar?
     
     

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  3.  
    #2
    BMW Maestro
    Car Details
    jim 320D's Car Details
    Model of Car:
    320D
    Year of Manufacture:
    2003
    Transmission Type:
    6 speed manual
    Car Body Type:
    Touring
    jim 320D's Avatar
    Join Date
    Nov 2010
    Location
    Oakham
    Posts
    936
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    487
    Thanked 320 Times in 300 Posts
    First off welcome
    As you have done most of the jobs I would look at the map sensor next start off by cleaning it with some electrical contact cleaner
    They can be very gunked up

    Sent from my iPhone using my fingers

    320d Tourer 11/2003
     
     

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