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diagnosing

  1. Swapped Spark Plugs and now it won't start

    General E46 Forum
    This morning, I sent my brother to go grab spark plugs for our 2004 325xi. We swapped them following a tutorial step by step (I've also done the same procedure on another E46 with no problems) Long story short turns out we didn't have the correct plugs. What made me realize this was the fact...
  2. 02 325xi rear end vibration

    E46 Xi Forum
    I'm getting a muffled sounding vibration from the rear end at highway speeds . Not very violent at the moment but don't want to wait long . Also , when the car is cold and you put it in drive and especially reverse then hit the brakes I'm getting a grinding metal on metal noise. It sounds very...
  3. conifirmation

    General E46 Forum
    Ok here is the deal. #1 I have a coolant light on. So I started diagnosing. I think my thermostat is stuck closed for these reasons , first the top radiator hose gets hot & the bottom stays cool during normal operating tempature. Two is the heater is not blowing hot air when running normal...
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