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  1. E46 General
    325xi with 40,000 miles on it. Recently it started making an RPM dependent rattling noise from the front driver side of the engine. It seems to be emanating from the engine itself or maybe the alternator. I did replace the alternator about a year ago and have also replaced the DISA valve and...
  2. E46 General
    Hey, I've got an issue with my M52TUB25 on my 323i. A few months ago I started feeling and hearing a kind of grinding noise coming from the front of the valve cover, near the VANOS. After doing some research, I decided to redo the VANOS with a seal and anti-rattle ring kit, that didn't fix the...
  3. E46 General
    Hey guys, I’m new here but I need some help ! I’m having a loud low pitch almost wining sound coming from the engine bay. I’m thinking possible torque converter as i believe it’s been starting to fail ( high pitch wine in sync with shifting especially when cold). I can’t seem to figure out a way...
  4. E46 General
    Hello, I am fairly new to BMWs and recently I started to notice a rumbling like noise from under the hood. The noise seems to only occur at idle at around 600-750 rpms and goes away past 900 rpm. I tried the screw driver test on my pulleys and they dont seem to be the cause of the noise. I also...
  5. E46 General
    Hello to anybody who decides to read this. I apologize if my post is in a wrong section but I'm new here and looking for an answer to a very strange problem on my bmw which from what I have learned and seen, throughout my 3 backyard-garage-enthusiast-DIY years, is very rare or even unheard and...
  6. E46 General
    Hi All! Hoping there's someone who might be able to help me diagnose a new engine noise that has sprouted, I'm having difficulty locating the source. Happened shortly after an oil top-up. Can't hear it at idle and disappears from around 3500-4000rpm This is from a 2004 E46 330ci Convertible...
  7. E46 General
    I have a 2003 330i that has been well maintained. Started it tonight and I began to hear a noise that sounds like there were rocks in the engine. I can't really pinpoint where it's coming from. Checked the oil and saw that it had none. (Mine has been burning through oil recently) I filled it up...
  8. E46 General
    Hello :hi: I have Got this wierd problem/Sound that i cant figure out where comes from.. It appears when the car is idling and i Press the break, going to 1. Gear and the just release the clutch till the rpm lowers.. :hmm: Can be done without using clutch when rpm is lowering but its the easiest...
  9. E46 General
    Hello I have Got this wierd problem/Sound that i cant figure out where comes from.. It appears when the car is idling and i Press the break, going to 1. Gear and the just release the clutch till the rpm lowers.. Can be done without using clutch when rpm is lowering but its the easiest Way to...
  10. E46 General
    Hey guys, been a lurker for a while--lots of good DIY stuff here so thanks everyone for contributing. First time post for me Just did my oil filter housing gasket on an 01 325i. Pretty straight forward job. I put everything back together and started her up and the engine is making a pretty...
  11. E46 General
    This is what my engine sounds like at idle... can you guys tell me if the rattling is normal or if not, what tweaks/adjustments/repairs I should be scheduling. My e46 has 138,000 miles and I'd like to keep for another 138. video: http://youtu.be/MavuU9wq-dA Thanks!
  12. E46 General
    My wife and I are considering buying this 1999 323i from a local mechanic who acquired it from his customer when the rear differential cracked. He replaced the broken part but has not done any other work on it. The vehicle has 161k miles, and a cursory inspection does not show anything else...
  13. E46 General
    Thought this may be a helpful guide, I took from AutohausAZ BMW Noise Troubleshooting: Troubleshooting Noises (Is Your BMW Trying to Tell You Something?) Troubleshooting those weird noises coming from your BMW can help you determine needed repairs. It's important that you listen to what your...
  14. E46 General
    Hello, i have a huge problem with my engine, i have this metallic noise and the clicking noise also, i have changed the vanos and still no result, any ideea ?! please help me out ! the engine is m52tu28 this is the link with my video : http://www.youtube.com/watch?v=xL6lNsQD3sg_a_
  15. E46 General
    Hi all, http://youtu.be/k4m15OmVz-w Do you guys know what the problem might be? There are actually two worrying sounds: a metalic rattle which gets worse by the end of the recording and some kind of vibration (starting at 00:24) which is not noticeable all the time (as you can hear in the...
  16. E46 General
    Hi all, http://youtu.be/k4m15OmVz-w Do you guys know what the problem might be? There are actually two worrying sounds: a metalic rattle which gets worse by the end of the recording and some kind of vibration (starting at 00:24) which is not noticeable all the time (as you can hear in the...
  17. E46 General
    After over a year worth of thousands of dollars of near-monthly diagnostics, I turn to the online BMW community to help me solve a tapping which has thus far been a complete mystery to all the euro-specialized mechanics who have looked into it. The tapping happens under very specific...
  18. E46 General
    HELLO...someone please help me!! I have been a fan of this forum for a while now :thumbsup: so i figured what better place to come for help then here. i have a 2002 bmw 330i that has been having this horrible engine noise. i have done my best to fix this car up but im starting to lose hope...
  19. E46 General
    I have a '06 330ci ZHP convertible with an M54 engine. I've noticed that when I start the vehicle and listen to the engine (with the hood open) I can hear a clicking noise coming from the rear-center of the top of the engine. It sounds like it is coming from the manifold. Is this normal? If...
  20. DIY Guides
    Hello everyone, The 2002 330Ci I'm driving is my first BMW, and it made this noise when I bought it and still does it now. At that time it had about 114k on it. It now has 120k on it. I've had zero performance problems from it. It cranks easily cold and warm and rpms stay constant at idle. The...
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