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mass air flow sensor

  1. Any E46 Siemens Mass Air Flow (MAF) Sensor

    Miscellaneous BMW and E46 Parts
    Original, pulled from 2000 323i and tested working. PM if interested! https://photos.app.goo.gl/Jr8kW4D7W18TpzPw6
  2. e46 325ti Lean Codes/Volumetric Efficiency 64%

    General E46 Forum
    Hi guys, I've just picked up a e46 325 Compact in the last month as a bit of a project. I've been wanting to learn how to work on cars and I also needed a bigger boot as my last car was an MX5. I got this car cheap and it came with a couple of faults which I've been working through. I've got...
  3. p0411 Trouble!

    General E46 Forum
    My 325ci has had the p0411 code for a while now and I'm trying to fix it. I already checked to make sure that the pump is blowing air on cold starts. I just cleaned the secondary MAF and the connectors and the secondary air filter looks fine. All the hoses are in good shape so my problem must be...
  4. 2003 325i MAF urgent help

    General E46 Forum
    I'm new to the forums I tried searching but no luck. A little help please my MAF may be going bad but don't know. Coming to a stop my cars rpm will go up and down between 500 and 1k rev. Sometimes when I hit the gas it shuts off I unplugged the MAF and seems to be okay then I plug it in and the...
  5. Possible MAF issue

    General E46 Forum
    I have recently been having problems with my 2003 330ci. It seemed to be a transmission issue, as the car seemed to be slipping between shifts, but I took it to a transmission shop, and they told me that the transmission was fine. The car has been shooting codes for a while now, and they all...
  6. Aftermarket Mass Air Flow Sensor

    General E46 Forum
    Hey guys, quick question, is there an aftermarket Mass Air Flow Sensor that is actually worth the money? I know its a pretty crucial part of the car (04 330Ci) but im also on a budget, anyone had any luck with a cheaper alternative to the 350 dollar OEM replacement?
  7. Idle Issues on start-up and have codes. Please Help!!!

    General E46 Forum
    So i have an issue with my 2000 323Ci. The car once in a while idles a little odd (goes up and down but has yet to stall) However driving it for a couple minutes it is alright But it does not happen all the time but i would like the fix it before it becomes any worse. I get the following...
  8. I need this MAF clip!!!!!!!!!! HELP

    General E46 Forum
    :eek:Hey the little wire clip that holds the MAF electrode to the sensor bounced off when trying to take off the Massive Air Flow Sensor to clean it....Can you help???? Where Can I get one? :yikes:Its the little silver clip on top of this electrode connector held by the hand If someone...
  9. Rev Hunting?!

    General E46 Forum
    Hi im driving a 318Ci 2002 Manual that has developed the 'rev hunting' condition. Ive been all over the net looking for help/advice on possible fixes for this problem but there seems to be no sure fix as the problem varies depending on the symptoms? With my car it struggles to start but then...
  10. MAF sensor guru wanted! 3.18i 00' Auto

    General E46 Forum
    Hi All, I have been suffering from power loss for a while - i put my foot down and its like driving a slug and expecting acceleration... I have been reading a lot on this problem as many 3.18i owners seem to have it. One of my major suspects is the MAF after trying/replacing some other...
  11. Oil light, aux fan, then tranny light.

    General E46 Forum
    I had a CEL and Red oil light and was told it was the MAF and the oil pressure sensor. Replaced the OPS and all is well except for now I get a yellow oil light at start up and then it goes off after a few minutes or so. Was told it was a oil level sensor. Had that replaced. Still comes on...
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